It is currently unknown if this issue is exploitable but a condition may arise where the structured clone of certain objects could lead to memory corruption. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.
{ "binaries": [ { "binary_name": "firefox", "binary_version": "131.0+build1.1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-dev", "binary_version": "131.0+build1.1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "131.0+build1.1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "131.0+build1.1-0ubuntu0.20.04.1" } ], "availability": "No subscription required" }