CVE-2021-43539
- State
- Published
- Severity
- Not scored
- Published
- Dec 8, 2021
- Updated
- Aug 4, 2024
- Reserved
- Nov 8, 2021
Description
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
ThunderbirdMozilla |
|
Firefox ESRMozilla |
|
FirefoxMozilla |
|
References
- https://www.mozilla.org/security/advisories/mfsa2021-53/
- https://www.mozilla.org/security/advisories/mfsa2021-54/
- https://www.mozilla.org/security/advisories/mfsa2021-52/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1739683
- DSA-5026vendor-advisory
- [debian-lts-announce] 20211229 [SECURITY] [DLA 2863-1] firefox-esr security updatemailing-list
- DSA-5034vendor-advisory
- [debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security updatemailing-list
- GLSA-202202-03vendor-advisory
- GLSA-202208-14vendor-advisory
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