{"affected":[{"affectedData":[{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThan":"123","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"Firefox ESR","vendor":"Mozilla","versions":[{"lessThan":"115.8","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThan":"115.8","status":"affected","version":"unspecified","versionType":"custom"}]}],"source":"security@mozilla.org"},{"affectedData":[{"cpes":["cpe:2.3:a:mozilla:firefox:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"firefox","vendor":"mozilla","versions":[{"lessThan":"123","status":"affected","version":"0","versionType":"custom"}]},{"cpes":["cpe:2.3:a:mozilla:firefox_esr:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"firefox_esr","vendor":"mozilla","versions":[{"lessThan":"115.8","status":"affected","version":"0","versionType":"custom"}]},{"cpes":["cpe:2.3:a:mozilla:thunderbird:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"thunderbird","vendor":"mozilla","versions":[{"lessThan":"115.8","status":"affected","version":"0","versionType":"custom"}]}],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*","matchCriteriaId":"355C0EEB-8EF2-4464-BDD4-7616AA6A65FA","versionEndExcluding":"115.8.0","vulnerable":true},{"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*","matchCriteriaId":"DD7E737F-745F-4A07-B4E3-B51D2DB6C96F","versionEndExcluding":"123.0","vulnerable":true},{"criteria":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*","matchCriteriaId":"7380CBFA-8328-4F35-AE4F-46482C77BEF6","versionEndExcluding":"115.8.0","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in an out-of-bounds memory read. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8."},{"lang":"es","value":"Al almacenar y volver a acceder a datos en un canal de red, es posible que se haya confundido la longitud de los bufferse, lo que resulta en una lectura de memoria fuera de los límites. Esta vulnerabilidad afecta a Firefox &lt; 123, Firefox ESR &lt; 115.8 y Thunderbird &lt; 115.8."}],"id":"CVE-2024-1546","lastModified":"2026-06-17T07:04:28.050","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.6,"impactScore":5.9,"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2024-1546","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","timestamp":"2024-11-05T15:13:55.974449Z","version":"2.0.3"}}]},"published":"2024-02-20T14:15:08.477","references":[{"source":"security@mozilla.org","tags":["Issue Tracking"],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1843752"},{"source":"security@mozilla.org","tags":["Mailing List"],"url":"https://lists.debian.org/debian-lts-announce/2024/03/msg00000.html"},{"source":"security@mozilla.org","tags":["Mailing List"],"url":"https://lists.debian.org/debian-lts-announce/2024/03/msg00001.html"},{"source":"security@mozilla.org","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-05/"},{"source":"security@mozilla.org","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-06/"},{"source":"security@mozilla.org","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-07/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking"],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1843752"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List"],"url":"https://lists.debian.org/debian-lts-announce/2024/03/msg00000.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List"],"url":"https://lists.debian.org/debian-lts-announce/2024/03/msg00001.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-05/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-06/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-07/"}],"sourceIdentifier":"security@mozilla.org","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-125"}],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}]}