Vulnerability Database

313,359

Total vulnerabilities in the database

CVE-2022-29916

Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

  • Published: Dec 22, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2022-29916
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CWEs: