CVE-2021-29945
N/A
N/A
Summary
The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. Note: This issue only affected x86-32 platforms. Other platforms are unaffected.. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Firefox ESR | unspecified < 78.10 | affected |
| Mozilla | Thunderbird | unspecified < 78.10 | affected |
| Mozilla | Firefox | unspecified < 88 | affected |
Weaknesses
- Incorrect size computation in WebAssembly JIT could lead to null-reads
ADP Enrichment
CVE Program Container
Additional References
- https://www.mozilla.org/security/advisories/mfsa2021-14/
- https://www.mozilla.org/security/advisories/mfsa2021-16/
- https://www.mozilla.org/security/advisories/mfsa2021-15/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1700690
References
- https://www.mozilla.org/security/advisories/mfsa2021-14/
- https://www.mozilla.org/security/advisories/mfsa2021-16/
- https://www.mozilla.org/security/advisories/mfsa2021-15/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1700690
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