{"id":"CVE-2026-47729","state":"PUBLISHED","title":"Squid: Memory disclosure in FTP gateway","description":"Squid is a caching proxy for the Web. Prior to 7.6, due to an improper validation of syntactic correctness of input in the FTP gateway (src/clients/FtpGateway.cc), Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed by a filename, parsing was not restricted to the input buffer, so a trusted client accessing a misbehaving FTP server through Squid's gateway feature could read memory from random unrelated transactions. This issue is fixed in version 7.6.","publishedAt":"2026-07-16T16:13:19.767Z","updatedAt":"2026-07-17T18:07:10.084Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["squid-cache squid"],"affected":[{"vendor":"squid-cache","product":"squid","versions":[{"version":"< 7.6","status":"affected"}]}],"references":["https://github.com/squid-cache/squid/security/advisories/GHSA-8c37-pxjq-qwrg","https://github.com/squid-cache/squid/pull/2408","https://github.com/squid-cache/squid/pull/2409","https://github.com/squid-cache/squid/commit/865a131c7d557e68c965043d98c2eccae26deef8","https://github.com/squid-cache/squid/releases/tag/SQUID_7_6"],"weaknesses":["CWE-125","CWE-1289"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/47xxx/CVE-2026-47729.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47729","state":"PUBLISHED","datePublished":"2026-07-16T16:13:19.767Z","dateUpdated":"2026-07-17T18:07:10.084Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-19T21:29:25.483Z"},"containers":{"cna":{"title":"Squid: Memory disclosure in FTP gateway","descriptions":[{"lang":"en","value":"Squid is a caching proxy for the Web. Prior to 7.6, due to an improper validation of syntactic correctness of input in the FTP gateway (src/clients/FtpGateway.cc), Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed by a filename, parsing was not restricted to the input buffer, so a trusted client accessing a misbehaving FTP server through Squid's gateway feature could read memory from random unrelated transactions. This issue is fixed in version 7.6."}],"affected":[{"vendor":"squid-cache","product":"squid","versions":[{"version":"< 7.6","status":"affected"}]}],"references":[{"url":"https://github.com/squid-cache/squid/security/advisories/GHSA-8c37-pxjq-qwrg","name":"https://github.com/squid-cache/squid/security/advisories/GHSA-8c37-pxjq-qwrg","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/squid-cache/squid/pull/2408","name":"https://github.com/squid-cache/squid/pull/2408","tags":["x_refsource_MISC"]},{"url":"https://github.com/squid-cache/squid/pull/2409","name":"https://github.com/squid-cache/squid/pull/2409","tags":["x_refsource_MISC"]},{"url":"https://github.com/squid-cache/squid/commit/865a131c7d557e68c965043d98c2eccae26deef8","name":"https://github.com/squid-cache/squid/commit/865a131c7d557e68c965043d98c2eccae26deef8","tags":["x_refsource_MISC"]},{"url":"https://github.com/squid-cache/squid/releases/tag/SQUID_7_6","name":"https://github.com/squid-cache/squid/releases/tag/SQUID_7_6","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-1289","lang":"en","description":"CWE-1289: Improper Validation of Unsafe Equivalence in Input","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-16T16:13:19.767Z"},"source":{"advisory":"GHSA-8c37-pxjq-qwrg","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-16T17:52:23.166119Z","id":"CVE-2026-47729","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-17T18:07:10.084Z"}}]}}}