CVE-2025-1011 Information

Description

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 affects Firefox < 135 Firefox ESR < 128.7 Thunderbird < 128.7 and Thunderbird < 135.

Reference

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/