{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-5824","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","state":"PUBLISHED","assignerShortName":"redhat","dateReserved":"2023-10-27T09:37:47.593Z","datePublished":"2023-11-03T07:56:36.369Z","dateUpdated":"2025-11-06T20:51:27.614Z"},"containers":{"cna":{"title":"Squid: dos against http and https","metrics":[{"other":{"content":{"value":"Important","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"descriptions":[{"lang":"en","value":"A flaw was found in Squid. The limits applied for validation of HTTP response headers are applied before caching. However, Squid may grow a cached HTTP response header beyond the configured maximum size, causing a stall or crash of the worker process when a large header is retrieved from the disk cache, resulting in a denial of service."}],"affected":[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"squid:4","defaultStatus":"affected","versions":[{"version":"8090020231130092412.a75119d5","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:enterprise_linux:8::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.2 Advanced Update 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Handling of Exceptional Conditions","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-755: Improper Handling of Exceptional Conditions","workarounds":[{"lang":"en","value":"Disabling the disk caching mechanism will mitigate this vulnerability. To achieve this, remove all the 'cache_dir' directives from the Squid configuration, typically in the /etc/squid/squid.conf file."}],"timeline":[{"lang":"en","time":"2023-10-24T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2023-10-19T00:00:00.000Z","value":"Made public."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2025-11-06T20:51:27.614Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://access.redhat.com/errata/RHSA-2023:7465","name":"RHSA-2023:7465","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2023:7668","name":"RHSA-2023:7668","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0072","name":"RHSA-2024:0072","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0397","name":"RHSA-2024:0397","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0771","name":"RHSA-2024:0771","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0772","name":"RHSA-2024:0772","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0773","name":"RHSA-2024:0773","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:1153","name":"RHSA-2024:1153","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-5824","tags":["vdb-entry","x_refsource_REDHAT","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2245914","name":"RHBZ#2245914","tags":["issue-tracking","x_refsource_REDHAT","x_transferred"]},{"url":"https://github.com/squid-cache/squid/security/advisories/GHSA-543m-w2m2-g255","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20231130-0003/","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/09/msg00027.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T18:08:10.691Z"}}]}}