CVE ID:	CVE-2021-23983
Description:	By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 87.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-23983 https://bugzilla.mozilla.org/show_bug.cgi?id=1692684 https://bugzilla.mozilla.org/show_bug.cgi?id=1692684 https://www.mozilla.org/security/advisories/mfsa2021-10/ https://www.mozilla.org/security/advisories/mfsa2021-10/