When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6.
{ "binaries": [ { "binary_version": "134.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox" }, { "binary_version": "134.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox-dev" }, { "binary_version": "134.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "134.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }