In unusual circumstances, an individual thread may outlive the thread's manager during shutdown. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 98.
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{ "binaries": [ { "binary_version": "98.0+build3-0ubuntu0.20.04.2", "binary_name": "firefox" }, { "binary_version": "98.0+build3-0ubuntu0.20.04.2", "binary_name": "firefox-dev" }, { "binary_version": "98.0+build3-0ubuntu0.20.04.2", "binary_name": "firefox-geckodriver" }, { "binary_version": "98.0+build3-0ubuntu0.20.04.2", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }