Vulnerability Database

324,829

Total vulnerabilities in the database

CVE-2026-2798

Use-after-free in the DOM: Core & HTML component. This vulnerability affects Firefox < 148 and Thunderbird < 148.

  • Published: Feb 24, 2026
  • Updated: Feb 25, 2026
  • CVE: CVE-2026-2798
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWEs:

Software From Fixed in
mozilla / firefox - 148.0
mozilla / thunderbird - 148.0