CVE-2022-28281
8.8
HIGH
CVSS 3.1
EPSS 15.7%
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.
How to fix CVE-2022-28281
To remediate CVE-2022-28281, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 91.8.0esr-1~deb11u1 or later
- —upgrade to 1:91.8.0-1~deb11u1 or later
Is CVE-2022-28281 being exploited?
Moderate — EPSS is 15.7%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 91.8.0esr-1~deb11u1
- from 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 |