vulnerability
MFSA2021-10 Firefox: Security Vulnerabilities fixed in Firefox 87 (CVE-2021-23983)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:N/A:P) | Mar 23, 2021 | Mar 24, 2021 | Aug 11, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
Mar 23, 2021
Added
Mar 24, 2021
Modified
Aug 11, 2025
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.
Solution
mozilla-firefox-upgrade-87_0
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