CVE-2021-23979
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.9%
exploitation probability
0.9%top 41% of all CVEs
observed exploitation
nono source reports it
Mozilla developers reported memory safety bugs present in Firefox 85. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 86.
Affected products
Mozilla · Firefox