Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "97.0.2+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-dev", "binary_version": "97.0.2+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "97.0.2+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "97.0.2+build1-0ubuntu0.18.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "97.0.2+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-dev", "binary_version": "97.0.2+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "97.0.2+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "97.0.2+build1-0ubuntu0.20.04.1" } ] }