CVE ID:	CVE-2021-43536
Description:	Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-43536 Debian Security Information: DSA-5026 (Google Search) https://www.debian.org/security/2021/dsa-5026 Debian Security Information: DSA-5034 (Google Search) https://www.debian.org/security/2022/dsa-5034 https://security.gentoo.org/glsa/202202-03 https://security.gentoo.org/glsa/202208-14 https://bugzilla.mozilla.org/show_bug.cgi?id=1730120 https://bugzilla.mozilla.org/show_bug.cgi?id=1730120 https://www.mozilla.org/security/advisories/mfsa2021-52/ https://www.mozilla.org/security/advisories/mfsa2021-52/ https://www.mozilla.org/security/advisories/mfsa2021-53/ https://www.mozilla.org/security/advisories/mfsa2021-53/ https://www.mozilla.org/security/advisories/mfsa2021-54/ https://www.mozilla.org/security/advisories/mfsa2021-54/ https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html