705 lines
31 KiB
JSON
705 lines
31 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-2026-32748",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-03-13T18:53:03.531Z",
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"datePublished": "2026-03-26T00:11:01.424Z",
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"dateUpdated": "2026-07-15T01:07:40.483Z"
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},
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"containers": {
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"cna": {
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"title": "Squid has Denial of Service in ICP Response handling",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-413",
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"lang": "en",
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"description": "CWE-413: Improper Resource Locking",
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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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"descriptions": [
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{
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"cweId": "CWE-416",
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"lang": "en",
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"description": "CWE-416: Use After Free",
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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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"descriptions": [
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{
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"cweId": "CWE-826",
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"lang": "en",
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"description": "CWE-826: Premature Release of Resource During Expected Lifetime",
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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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"metrics": [
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{
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "LOW",
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"baseScore": 8.7,
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L",
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"version": "4.0"
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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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"name": "https://github.com/squid-cache/squid/security/advisories/GHSA-f9p7-3jqg-hhvq",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/squid-cache/squid/security/advisories/GHSA-f9p7-3jqg-hhvq"
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},
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{
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"name": "https://github.com/squid-cache/squid/commit/703e07d25ca6fa11f52d20bf0bb879e22ab7481b",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/squid-cache/squid/commit/703e07d25ca6fa11f52d20bf0bb879e22ab7481b"
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}
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],
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"affected": [
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{
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"vendor": "squid-cache",
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"product": "squid",
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"versions": [
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{
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"version": "< 7.5",
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"status": "affected"
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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": "Squid is a caching proxy for the Web. Prior to version 7.5, due to premature release of resource during expected lifetime and heap Use-After-Free bugs, Squid is vulnerable to Denial of Service when handling ICP traffic. This problem allows a remote attacker to perform a reliable and repeatable Denial of Service attack against the Squid service using ICP protocol. This attack is limited to Squid deployments that explicitly enable ICP support (i.e. configure non-zero `icp_port`). This problem _cannot_ be mitigated by denying ICP queries using `icp_access` rules. This bug is fixed in Squid version 7.5."
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}
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],
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"source": {
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"advisory": "GHSA-f9p7-3jqg-hhvq",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "http://www.openwall.com/lists/oss-security/2026/03/25/3"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2026-03-26T00:24:52.135Z"
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}
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},
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-03-26T14:19:13.990996Z",
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"id": "CVE-2026-32748",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-03-26T15:02:31.962Z"
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}
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},
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{
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"affected": [
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{
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"cpes": [
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"cpe:/o:redhat:enterprise_linux:10.1"
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],
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"defaultStatus": "affected",
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"packageName": "squid",
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"product": "Red Hat Enterprise Linux 10",
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"vendor": "Red Hat",
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"versions": [
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{
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"lessThan": "*",
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"status": "unaffected",
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"version": "7:6.10-6.el10_1.3",
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"versionType": "rpm"
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"cpe:/o:redhat:enterprise_linux_eus:10.0"
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"defaultStatus": "affected",
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"packageName": "squid",
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"product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
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"vendor": "Red Hat",
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"versions": [
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{
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"lessThan": "*",
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"status": "unaffected",
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"version": "7:6.10-5.el10_0.2",
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{
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{
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|
|
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|
|
"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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|
"privilegesRequired": "NONE",
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|
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|
|
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|
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|
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|
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|
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|
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]
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}
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|
],
|
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"references": [
|
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{
|
|
"tags": [
|
|
"vdb-entry",
|
|
"x_refsource_REDHAT"
|
|
],
|
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"url": "https://access.redhat.com/security/cve/CVE-2026-32748"
|
|
},
|
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{
|
|
"name": "RHBZ#2451577",
|
|
"tags": [
|
|
"issue-tracking",
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|
"x_refsource_REDHAT"
|
|
],
|
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451577"
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|
},
|
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{
|
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"tags": [
|
|
"x_sadp-csaf-vex"
|
|
],
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"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32748.json"
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},
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{
|
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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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"url": "https://access.redhat.com/errata/RHSA-2026:8880"
|
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},
|
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{
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"x_refsource_REDHAT"
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],
|
|
"url": "https://access.redhat.com/errata/RHSA-2026:11901"
|
|
},
|
|
{
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"x_refsource_REDHAT"
|
|
],
|
|
"url": "https://access.redhat.com/errata/RHSA-2026:8119"
|
|
},
|
|
{
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"x_refsource_REDHAT"
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],
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"url": "https://access.redhat.com/errata/RHSA-2026:8317"
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},
|
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{
|
|
"tags": [
|
|
"vendor-advisory",
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|
"x_refsource_REDHAT"
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|
],
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|
"url": "https://access.redhat.com/errata/RHSA-2026:20564"
|
|
},
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|
{
|
|
"tags": [
|
|
"vendor-advisory",
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|
"x_refsource_REDHAT"
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],
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|
"url": "https://access.redhat.com/errata/RHSA-2026:20565"
|
|
},
|
|
{
|
|
"tags": [
|
|
"vendor-advisory",
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|
"x_refsource_REDHAT"
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|
],
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"url": "https://access.redhat.com/errata/RHSA-2026:20580"
|
|
},
|
|
{
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"x_refsource_REDHAT"
|
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],
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|
"url": "https://access.redhat.com/errata/RHSA-2026:10256"
|
|
},
|
|
{
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"x_refsource_REDHAT"
|
|
],
|
|
"url": "https://access.redhat.com/errata/RHSA-2026:10257"
|
|
},
|
|
{
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"x_refsource_REDHAT"
|
|
],
|
|
"url": "https://access.redhat.com/errata/RHSA-2026:10255"
|
|
},
|
|
{
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"x_refsource_REDHAT"
|
|
],
|
|
"url": "https://access.redhat.com/errata/RHSA-2026:9220"
|
|
},
|
|
{
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"x_refsource_REDHAT"
|
|
],
|
|
"url": "https://access.redhat.com/errata/RHSA-2026:6301"
|
|
}
|
|
],
|
|
"solutions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:8880: Red Hat Enterprise Linux Server (v. 7 ELS)"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:11901: Red Hat Enterprise Linux AppStream EUS (v. 10.0)"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:8119: Red Hat Enterprise Linux AppStream (v. 10)"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:8317: Red Hat Enterprise Linux AppStream (v. 8)"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:20564: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:20565: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6)"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:20580: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:10256: Red Hat Enterprise Linux AppStream E4S (v.9.0)"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:10257: Red Hat Enterprise Linux AppStream E4S (v.9.2)"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:10255: Red Hat Enterprise Linux AppStream EUS (v.9.4)"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:9220: Red Hat Enterprise Linux AppStream EUS (v.9.6)"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "RHSA-2026:6301: Red Hat Enterprise Linux AppStream (v. 9)"
|
|
}
|
|
],
|
|
"timeline": [
|
|
{
|
|
"lang": "en",
|
|
"time": "2026-03-26T01:01:29.920Z",
|
|
"value": "Reported to Red Hat."
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"time": "2026-03-26T00:11:01.424Z",
|
|
"value": "Made public."
|
|
}
|
|
],
|
|
"title": "Squid: Squid: Denial of Service via crafted ICP traffic",
|
|
"workarounds": [
|
|
{
|
|
"lang": "en",
|
|
"value": "To mitigate this issue, ensure that ICP support is not explicitly enabled in the Squid configuration. This can be achieved by commenting out or setting `icp_port` to `0` in the `squid.conf` file. After modifying the configuration, the Squid service must be reloaded or restarted for the changes to take effect.\n\nExample:\n```\n# icp_port 3130\n```\nor\n```\nicp_port 0\n```\nWarning: Reloading or restarting the Squid service may temporarily interrupt proxy services."
|
|
}
|
|
],
|
|
"x_adpType": "supplier",
|
|
"x_generator": {
|
|
"engine": "sadp-cli 1.0.0"
|
|
},
|
|
"providerMetadata": {
|
|
"orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
|
|
"shortName": "redhat-SADP",
|
|
"dateUpdated": "2026-07-15T01:07:40.483Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |