Vulnerability Database

319,897

Total vulnerabilities in the database

CVE-2026-0889

Denial-of-service in the DOM: Service Workers component. This vulnerability affects Firefox < 147 and Thunderbird < 147.

  • Published: Jan 13, 2026
  • Updated: Jan 23, 2026
  • CVE: CVE-2026-0889
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs: