Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.1epss 0.3%
probabilidad de explotación
0.3%top 75% de las CVE
explotación observada
noninguna fuente lo reporta
Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Referencias
https://access.redhat.com/errata/RHSA-2026:11805https://access.redhat.com/errata/RHSA-2026:11813https://access.redhat.com/errata/RHSA-2026:12264https://access.redhat.com/errata/RHSA-2026:13342https://access.redhat.com/errata/RHSA-2026:13412https://access.redhat.com/errata/RHSA-2026:13533https://access.redhat.com/errata/RHSA-2026:13582https://access.redhat.com/errata/RHSA-2026:13583https://access.redhat.com/errata/RHSA-2026:13596https://access.redhat.com/errata/RHSA-2026:13600https://access.redhat.com/errata/RHSA-2026:13665https://access.redhat.com/errata/RHSA-2026:13682