{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-6857","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","state":"PUBLISHED","assignerShortName":"mozilla","dateReserved":"2023-12-15T17:42:55.146Z","datePublished":"2023-12-19T13:38:37.621Z","dateUpdated":"2025-02-13T17:26:34.338Z"},"containers":{"cna":{"affected":[{"product":"Firefox ESR","vendor":"Mozilla","versions":[{"lessThan":"115.6","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThan":"115.6","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThan":"121","status":"affected","version":"unspecified","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary. \n*This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.","supportingMedia":[{"type":"text/html","base64":false,"value":"When resolving a symlink, a race may occur where the buffer passed to <code>readlink</code> may actually be smaller than necessary. <br>*This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121."}]}],"problemTypes":[{"descriptions":[{"description":"Symlinks may resolve to smaller than expected buffers","lang":"en","type":"text"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1796023"},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-54/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-55/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-56/"},{"url":"https://www.debian.org/security/2023/dsa-5581"},{"url":"https://www.debian.org/security/2023/dsa-5582"},{"url":"https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html"},{"url":"https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html"},{"url":"https://security.gentoo.org/glsa/202401-10"}],"credits":[{"lang":"en","value":"Jed Davis"}],"providerMetadata":{"orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla","dateUpdated":"2024-01-07T11:07:44.508Z"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T08:42:07.598Z"},"title":"CVE Program Container","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1796023","tags":["x_transferred"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-54/","tags":["x_transferred"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-55/","tags":["x_transferred"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-56/","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5581","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5582","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html","tags":["x_transferred"]},{"url":"https://security.gentoo.org/glsa/202401-10","tags":["x_transferred"]}]}]}}