high8.8
CVE-2025-1011
A bug in WebAssembly code generation could have lead to a crash.
Impact
A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 128.7.0 before 135.0 |
| Mozilla | Thunderbird | before 135.0 from 128.0.1 before 128.7.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/show_bug.cgi?id=1936454
- https://www.mozilla.org/security/advisories/mfsa2025-07/
- https://www.mozilla.org/security/advisories/mfsa2025-09/
- https://www.mozilla.org/security/advisories/mfsa2025-10/
- https://www.mozilla.org/security/advisories/mfsa2025-11/
- https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html
- https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html