Memory safety bugs fixed in Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.8epss 0.3%
probabilidad de explotación
0.3%top 73% de las CVE
explotación observada
noninguna fuente lo reporta
Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Referencias
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1973699%2C1989945%2C1990970%2C1991040%2C1992113https://lists.debian.org/debian-lts-announce/2025/10/msg00015.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00031.htmlhttps://www.mozilla.org/security/advisories/mfsa2025-81/https://www.mozilla.org/security/advisories/mfsa2025-82/https://www.mozilla.org/security/advisories/mfsa2025-83/https://www.mozilla.org/security/advisories/mfsa2025-84/https://www.mozilla.org/security/advisories/mfsa2025-85/