Denial-of-Service Vulnerability in Firefox by Mozilla
CVE-2026-109773

Currently unrated

Key Information:

Vendor

Mozilla

Status
Vendor
CVE Published:
13 October 2026

What is CVE-2026-109773?

A vulnerability was identified in the Sync component of Firefox that could lead to a denial-of-service condition. This issue could potentially disrupt user access and functionality within the browser. The issue was addressed in the latest Firefox version 158, underscoring the importance of keeping browsers updated to maintain optimal performance and security.

Affected Version(s)

Firefox 158

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bruno
.