A duplicate <code>SystemPrincipal</code> object could be created when parsing a non-system html document via <code>DOMParser::ParseFromSafeString</code>. This could have lead to bypassing web security checks. This vulnerability affects Firefox < 109.
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{ "binaries": [ { "binary_version": "109.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox" }, { "binary_version": "109.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-dev" }, { "binary_version": "109.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "109.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }