CVE-2026-109773 — Denial-of-service in the Sync component

Denial-of-service in the Sync component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

Published: 2026-10-13 · CVSS: 6.5 · CVSS 3.1

Denial-of-service in the Sync component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7