CVE ID:	CVE-2021-23999
Description:	If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-23999 https://bugzilla.mozilla.org/show_bug.cgi?id=1691153 https://bugzilla.mozilla.org/show_bug.cgi?id=1691153 https://www.mozilla.org/security/advisories/mfsa2021-14/ https://www.mozilla.org/security/advisories/mfsa2021-14/ https://www.mozilla.org/security/advisories/mfsa2021-15/ https://www.mozilla.org/security/advisories/mfsa2021-15/ https://www.mozilla.org/security/advisories/mfsa2021-16/ https://www.mozilla.org/security/advisories/mfsa2021-16/