CVE-2022-28281
If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent pr
If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would have occurred leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
HIGH · CVSS 8.8
EPSS 0.15741
Act now
- EPSS ≥ 0.10 - elevated exploitation probability
- EPSS percentile: top 5% of all CVEs by exploitation likelihood
- Public exploit or PoC is available
- CVSS base score ≥ 7.0
Sigma rules1
YARA rules0