CVE.RADIO
FREN

CVE-2021-23986

firefoxVulnerabilityPatched

No public exploitation has been reported so far. A fixed version is available (see the table below).

Recommended action: Update to the fixed version listed for your distribution using the native package manager.

Affected & fixed versions by distribution

Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.

DistributionPackageAffectedFixed versionStatus
Archfirefox86.0.1-187.0-1fixed
Ubuntu:16.04:LTSfirefox-87.0+build3-0ubuntu0.16.04.2fixed
Ubuntu:18.04:LTSfirefox-87.0+build3-0ubuntu0.18.04.2fixed
Ubuntu:20.04:LTSfirefox-87.0+build3-0ubuntu0.20.04.2fixed
openSUSE:TumbleweedMozillaFirefox-92.0-1.2fixed
openSUSE:Tumbleweedfirefox-esr-128.5.1-1.1fixed

Sources