{"id":"CVE-2023-46724","state":"PUBLISHED","title":"SQUID-2023:4 Denial of Service in SSL Certificate validation","description":"Squid is a caching proxy for the Web. Due to an Improper Validation of Specified Index bug, Squid versions 3.3.0.1 through 5.9 and 6.0 prior to 6.4 compiled using `--with-openssl` are vulnerable to a Denial of Service attack against SSL Certificate validation. This problem allows a remote server to perform Denial of Service against Squid Proxy by initiating a TLS Handshake with a specially crafted SSL Certificate in a server certificate chain. This attack is limited to HTTPS and SSL-Bump. This bug is fixed in Squid version 6.4. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. Those who you use a prepackaged version of Squid should refer to the package vendor for availability information on updated packages.","publishedAt":"2023-11-01T19:09:34.513Z","updatedAt":"2025-02-13T17:14:32.361Z","severity":{"score":8.6,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["squid-cache squid"],"affected":[{"vendor":"squid-cache","product":"squid","versions":[{"version":">= 3.3.0.1, < 6.4","status":"affected"}]}],"references":["https://github.com/squid-cache/squid/security/advisories/GHSA-73m6-jm96-c6r3","https://github.com/squid-cache/squid/commit/b70f864940225dfe69f9f653f948e787f99c3810","http://www.squid-cache.org/Versions/v5/SQUID-2023_4.patch","http://www.squid-cache.org/Versions/v6/SQUID-2023_4.patch","https://security.netapp.com/advisory/ntap-20231208-0001/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/"],"weaknesses":["CWE-125","CWE-129","CWE-786","CWE-823","CWE-1285"],"ingestedAt":"2026-10-29T20:06:24.729Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/46xxx/CVE-2023-46724.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-46724","state":"PUBLISHED","datePublished":"2023-11-01T19:09:34.513Z","dateUpdated":"2025-02-13T17:14:32.361Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-10-25T14:30:33.751Z"},"containers":{"cna":{"title":"SQUID-2023:4 Denial of Service in SSL Certificate validation","descriptions":[{"lang":"en","value":"Squid is a caching proxy for the Web. 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