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.
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
| Link | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1903041 | issue tracking permissions required |
| https://www.mozilla.org/security/advisories/mfsa2024-33/ | vendor advisory |
| https://www.mozilla.org/security/advisories/mfsa2024-35/ | vendor advisory |
| https://www.mozilla.org/security/advisories/mfsa2024-37/ | vendor advisory |