VULNERABILITY INTELLIGENCE
CVE-2022-28281
CVSS score8.8 HIGH
EPSS probability2.78%
CISA KEVNot currently listed
Published2022-12-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-787
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-787
Primary references
- security@mozilla.org — Exploit, Issue Tracking, Vendor Advisory
- security@mozilla.org — Exploit, Vendor Advisory
- security@mozilla.org — Exploit, Vendor Advisory
- security@mozilla.org — Exploit, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Vendor Advisory