{ "containers": { "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "descriptions": [ { "lang": "en", "value": "Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. 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This only occurs when cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply() livelocking in peer_digest.cc mishandles EOF." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:C/UI:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg", "refsource": "MISC", "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg" }, { "name": "http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_9.patch", "refsource": "MISC", "url": "http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_9.patch" }, { "name": "DSA-4751", "refsource": "DEBIAN", 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"shortName": "CVE", "dateUpdated": "2024-08-04T15:19:08.544Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_9.patch" }, { "name": "DSA-4751", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "https://www.debian.org/security/2020/dsa-4751" }, { "name": "USN-4477-1", "tags": [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred" ], "url": "https://usn.ubuntu.com/4477-1/" }, { "name": "FEDORA-2020-73af8655eb", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJJDI7JQFGQLVNCKMVY64LAFMKERAOK7/" }, { "name": "FEDORA-2020-63f3bd656e", "tags": [ "vendor-advisory", 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