661 lines
27 KiB
JSON
661 lines
27 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"cveMetadata": {
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"cveId": "CVE-2023-40548",
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"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"state": "PUBLISHED",
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"assignerShortName": "redhat",
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"dateReserved": "2023-08-15T20:04:15.615Z",
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"datePublished": "2024-01-29T14:53:44.319Z",
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"dateUpdated": "2026-06-26T09:44:21.185Z"
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},
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"containers": {
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"cna": {
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"title": "Shim: interger overflow leads to heap buffer overflow in verify_sbat_section on 32-bits systems",
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"metrics": [
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{
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"other": {
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"content": {
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"value": "Moderate",
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"namespace": "https://access.redhat.com/security/updates/classification/"
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},
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"type": "Red Hat severity rating"
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}
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},
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "LOCAL",
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"availabilityImpact": "HIGH",
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"baseScore": 7.4,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"version": "3.1"
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},
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"format": "CVSS"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "A buffer overflow was found in Shim in the 32-bit system. The overflow happens due to an addition operation involving a user-controlled value parsed from the PE binary being used by Shim. This value is further used for memory allocation operations, leading to a heap-based buffer overflow. This flaw causes memory corruption and can lead to a crash or data integrity issues during the boot phase."
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}
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],
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"affected": [
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 7",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "shim",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:15.8-3.el7",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/o:redhat:enterprise_linux:7::client",
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"cpe:/o:redhat:enterprise_linux:7::server",
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"cpe:/o:redhat:enterprise_linux:7::workstation"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 7",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "shim-signed",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:15.8-1.el7",
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"lessThan": "*",
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"versionType": "rpm",
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],
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"cpes": [
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"cpe:/o:redhat:enterprise_linux:7::client",
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]
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{
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"versions": [
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{
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"version": "0:15.8-4.el8_9",
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"lessThan": "*",
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"versionType": "rpm",
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],
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"cpe:/o:redhat:enterprise_linux:8::baseos"
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{
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"version": "0:15.8-2.el8_2",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/o:redhat:rhel_aus:8.2::baseos",
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "shim",
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"defaultStatus": "affected",
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{
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"version": "0:15.8-2.el8_2",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/o:redhat:rhel_aus:8.2::baseos",
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{
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "shim",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:15.8-2.el8_2",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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"cpes": [
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"cpe:/o:redhat:rhel_aus:8.2::baseos",
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"cpe:/o:redhat:rhel_tus:8.2::baseos"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "shim",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:15.8-2.el8_4",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpe:/o:redhat:rhel_aus:8.4::baseos",
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"cpe:/o:redhat:rhel_tus:8.4::baseos"
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]
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},
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{
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"vendor": "Red Hat",
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{
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}
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]
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},
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{
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"vendor": "Red Hat",
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{
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"version": "0:15.8-2.el8_4",
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"versionType": "rpm",
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}
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],
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"cpe:/o:redhat:rhel_aus:8.4::baseos",
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 8.6 Extended Update Support",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "shim",
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{
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"version": "0:15.8-2.el8_6",
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"lessThan": "*",
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"versionType": "rpm",
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}
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"cpe:/o:redhat:rhel_eus:8.6::baseos"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 8.8 Extended Update Support",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "shim",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:15.8-2.el8",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:rhel_eus:8.8::crb",
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"cpe:/o:redhat:rhel_eus:8.8::baseos"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 8.8 Extended Update Support",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "shim-unsigned-x64",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:15.8-2.el8",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:rhel_eus:8.8::crb",
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"cpe:/o:redhat:rhel_eus:8.8::baseos"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 9",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "shim",
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"defaultStatus": "affected",
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{
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/o:redhat:enterprise_linux:9::baseos"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 9.0 Extended Update Support",
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"packageName": "shim",
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"defaultStatus": "affected",
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{
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"version": "0:15.8-3.el9",
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"lessThan": "*",
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"versionType": "rpm",
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}
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],
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"cpes": [
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"cpe:/a:redhat:rhel_eus:9.0::appstream",
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"cpe:/o:redhat:rhel_eus:9.0::baseos"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 9.0 Extended Update Support",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "shim-unsigned-aarch64",
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"versions": [
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{
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"version": "0:15.8-2.el9",
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"lessThan": "*",
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}
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],
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]
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},
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{
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"vendor": "Red Hat",
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"packageName": "shim-unsigned-x64",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:15.8-2.el9",
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"versionType": "rpm",
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}
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],
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"cpe:/a:redhat:rhel_eus:9.0::appstream",
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"cpe:/o:redhat:rhel_eus:9.0::baseos"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 9.2 Extended Update Support",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "shim",
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"versions": [
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{
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"version": "0:15.8-3.el9_2",
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"versionType": "rpm",
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}
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],
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"cpe:/o:redhat:rhel_eus:9.2::baseos"
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]
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}
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],
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"references": [
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:1834",
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"name": "RHSA-2024:1834",
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"name": "RHSA-2024:1835",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:1873",
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"name": "RHSA-2024:1873",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:1876",
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"name": "RHSA-2024:1876",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:1883",
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"name": "RHSA-2024:1883",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:1902",
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"name": "RHSA-2024:1902",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:1903",
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"name": "RHSA-2024:1903",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:1959",
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"name": "RHSA-2024:1959",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2024:2086",
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"name": "RHSA-2024:2086",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/security/cve/CVE-2023-40548",
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"tags": [
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"vdb-entry",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241782",
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"name": "RHBZ#2241782",
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"tags": [
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"issue-tracking",
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"x_refsource_REDHAT"
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]
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}
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],
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"datePublic": "2023-10-03T00:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-190",
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"description": "Integer Overflow or Wraparound",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"x_redhatCweChain": "CWE-190: Integer Overflow or Wraparound",
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"workarounds": [
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{
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"lang": "en",
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"value": "There's no available mitigation for this issue."
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}
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],
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"timeline": [
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{
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"lang": "en",
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"time": "2023-10-02T00:00:00.000Z",
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"value": "Reported to Red Hat."
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},
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{
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"lang": "en",
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"time": "2023-10-03T00:00:00.000Z",
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"value": "Made public."
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}
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],
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