308 lines
13 KiB
JSON
308 lines
13 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-91150",
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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": "2026-09-14T20:36:53.441Z",
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"datePublished": "2026-11-11T18:38:12.565Z",
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"dateUpdated": "2026-11-12T16:44:58.470Z"
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},
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"containers": {
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"cna": {
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"title": "Cockpit: cockpit: denial of service via unbounded fragmented websocket messages",
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"metrics": [
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{
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"other": {
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"content": {
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"value": "Important",
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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": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 flaw was found in Cockpit. This vulnerability allows a remote attacker, without prior authentication, to send specially crafted fragmented WebSocket messages. These messages accumulate without a total-size limit, leading to unbounded memory exhaustion and a denial of service in the `cockpit-ws` service."
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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 10",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "cockpit",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:366.1.1-1.el10_3",
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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:10.3"
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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 10.2 Extended Update Support",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "cockpit",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:356.4.1-1.el10_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:enterprise_linux_eus:10.2"
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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",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "cockpit",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:310.10.2-1.el8_10",
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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: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": "cockpit",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:366.1.1-1.el9_9",
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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:enterprise_linux:9::appstream",
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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",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "cockpit",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:366.1.1-1.el9_9",
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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:enterprise_linux:9::appstream",
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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 9.8 Extended Update Support",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "cockpit",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:356.4.1-1.el9_8",
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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:9.8::appstream",
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"cpe:/o:redhat:rhel_eus:9.8::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 7",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "cockpit",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/o:redhat:rhel_els:7"
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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 OpenShift Dev Spaces",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "devspaces/udi-base-rhel10",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/a:redhat:openshift_devspaces:3"
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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 OpenShift Dev Spaces",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "devspaces/udi-base-rhel9",
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"cpes": [
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"cpe:/a:redhat:openshift_devspaces:3"
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]
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Dev Spaces",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "devspaces/udi-rhel9",
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"cpes": [
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"cpe:/a:redhat:openshift_devspaces:3"
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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-2026:99599",
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"name": "RHSA-2026:99599",
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"tags": [
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"vendor-advisory",
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:99600",
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"name": "RHSA-2026:99600",
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:99601",
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"name": "RHSA-2026:99601",
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"tags": [
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:99602",
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"name": "RHSA-2026:99602",
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:99603",
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},
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2478436",
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"name": "RHBZ#2478436",
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"issue-tracking",
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},
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{
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"url": "https://github.com/cockpit-project/cockpit/commit/4bc66ac3e5b4923528f1ac89517a009b7bc90f93"
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},
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{
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"url": "https://github.com/cockpit-project/cockpit/releases/tag/372"
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}
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],
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"problemTypes": [
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"timeline": [
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{
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"time": "2026-05-18T03:32:25.000Z",
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"value": "Reported to Red Hat."
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "This issue was discovered by AISLE Research and Found by AISLE in partnership with Red Hat."
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}
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