CVE-2021-38496
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Thunderbird | unspecified < 78.15 | affected |
| Mozilla | Thunderbird | unspecified < 91.2 | affected |
| Mozilla | Firefox ESR | unspecified < 91.2 | affected |
| Mozilla | Firefox ESR | unspecified < 78.15 | affected |
| Mozilla | Firefox | unspecified < 93 | affected |
Weaknesses
- Use-after-free in MessageTask
ADP Enrichment
CVE Program Container
Additional References
- https://www.mozilla.org/security/advisories/mfsa2021-47/
- https://www.mozilla.org/security/advisories/mfsa2021-45/
- https://www.mozilla.org/security/advisories/mfsa2021-43/
- https://www.mozilla.org/security/advisories/mfsa2021-46/
- https://www.mozilla.org/security/advisories/mfsa2021-44/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1725335
- https://www.debian.org/security/2022/dsa-5034
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
References
- https://www.mozilla.org/security/advisories/mfsa2021-47/
- https://www.mozilla.org/security/advisories/mfsa2021-45/
- https://www.mozilla.org/security/advisories/mfsa2021-43/
- https://www.mozilla.org/security/advisories/mfsa2021-46/
- https://www.mozilla.org/security/advisories/mfsa2021-44/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1725335
- https://www.debian.org/security/2022/dsa-5034
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.