Skip to content
fr Sign in
8.8 High

CVE-2024-7520 A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution

Description

A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1.

Affected products and versions

Product Affected versions Fixed in
Firefox 129 earliest → < 129 129
Firefox ESR 128.1 earliest → < 128.1 128.1
Thunderbird 128.1 earliest → < 128.1 128.1
firefox_esr 128.1 earliest → < 128.1 128.1

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Firefox

The 2221 CVEs of Firefox →
CVE-2026-120572 Incorrect boundary conditions in the Layout: Block and Inline component 8.8 High CVE-2026-118027 Frame poisoning in the Layout component 9.1 Critical CVE-2026-118025 Other issue in the SVG component 8.8 High CVE-2026-118024 Use-after-free in the Graphics: Text component 8.8 High
Track this CVE