CVE ID:	CVE-2022-29916
Description:	Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2022-29916 https://bugzilla.mozilla.org/show_bug.cgi?id=1760674 https://bugzilla.mozilla.org/show_bug.cgi?id=1760674 https://www.mozilla.org/security/advisories/mfsa2022-16/ https://www.mozilla.org/security/advisories/mfsa2022-16/ https://www.mozilla.org/security/advisories/mfsa2022-17/ https://www.mozilla.org/security/advisories/mfsa2022-17/ https://www.mozilla.org/security/advisories/mfsa2022-18/ https://www.mozilla.org/security/advisories/mfsa2022-18/