DEBIAN-CVE-2022-28281

Advisory lineage Upstream: 1 Downstream: 4
Published: 22 Dec 2022, 20:15
Last modified:28 Apr 2026, 20:24

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

22 Dec 2022, 20:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:24
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1HIGHScore: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Systems

  • debianfirefox-esr

    < 91.8.0esr-1~deb11u1 | < 91.8.0esr-1 | < 91.8.0esr-1 | < 91.8.0esr-1

  • debianthunderbird

    < 1:91.8.0-1~deb11u1 | < 1:91.8.0-1 | < 1:91.8.0-1 | < 1:91.8.0-1

References (1)