CVE-2022-28281 — Out-of-bounds Write in Mozilla Firefox
Severity
8.8HIGHNVD
OSV6.5
EPSS
13.8%
top 5.69%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 22
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9
Affected Packages9 packages
🔴Vulnerability Details
6CVEList▶
CVE-2022-28281: 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↗2022-12-22
OSV▶
CVE-2022-28281: 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↗2022-12-22
GHSA▶
GHSA-xfm5-pq6w-fhvh: 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↗2022-12-22
📋Vendor Advisories
7Debian▶
CVE-2022-28281: firefox - If a compromised content process sent an unexpected number of WebAuthN Extension...↗2022