CVE-2022-28281
HIGH8.8EPSS 15.7%Published: 12/22/2022Modified: 4/28/2026
Description
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.
Affected packages (2)
- Debian/firefox-esrfrom 0, < 91.8.0esr-1~deb11u1
- Debian/thunderbirdfrom 0, < 1:91.8.0-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |