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9.8 Critical

CVE-2025-1011 A bug in WebAssembly code generation could have lead to a crash

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 was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Affected products and versions

Product Affected versions Fixed in
Firefox 135 earliest → < 135 135
Firefox 128.7 earliest → < 128.7 128.7
Firefox ESR 128.7 earliest → < 128.7 128.7
Thunderbird 135 earliest → < 135 135
Thunderbird 128.7 earliest → < 128.7 128.7

References

Timeline

  1. Published
  2. Last modified

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