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.
https://www.mozilla.org/security/advisories/mfsa2021-10/
https://bugzilla.mozilla.org/show_bug.cgi?id=1692684
Source: Mitre, NVD
Published: 2021-03-31
Updated: 2022-05-03
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H