Fiche vulnérabilité
CVE-2021-38496 : faille élevée mozilla firefox (CVSS 8.8)
Description
During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
En bref
- Sévérité
- Élevée (CVSS 8.8)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 3 nov. 2021
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- mozilla firefox
- mozilla firefox esr
- mozilla thunderbird
- debian debian linux
Références
- Fiche CVE-2021-38496 sur le NVD (NIST)
- bugzilla.mozilla.org/show_bug.cgi
- lists.debian.org/debian-lts-announce/2022/01/msg00001.html
- debian.org/security/2022/dsa-5034
- mozilla.org/security/advisories/mfsa2021-43/
- mozilla.org/security/advisories/mfsa2021-44/
- mozilla.org/security/advisories/mfsa2021-45/
- mozilla.org/security/advisories/mfsa2021-46/
- mozilla.org/security/advisories/mfsa2021-47/