CVE-2026-109773
published 2026-10-13CVE-2026-109773: Denial-of-service in the Sync component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
PriorityP428medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
0.24%
13.9th percentile
Denial-of-service in the Sync component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 158 | Firefox 158 |
| mozilla | thunderbird | < Thunderbird 158 | Thunderbird 158 |
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GHSA
Denial-of-service in the Sync component.
ghsa_unreviewed·2026-10-13
CVE-2026-109773 [MEDIUM] CWE-400 Denial-of-service in the Sync component.
Denial-of-service in the Sync component. This vulnerability was fixed in Firefox 158.
Mozilla
Mozilla Foundation Security Advisory 2026-106: CVE-2026-109773
vendor_mozilla·CVSS 6.5
CVE-2026-109773 [MEDIUM] Mozilla Foundation Security Advisory 2026-106: CVE-2026-109773
Mozilla Foundation Security Advisory 2026-106
CVE: CVE-2026-109773
Product: Firefox
Impact: low
Fixed in: Firefox 158
Mozilla
Mozilla Foundation Security Advisory 2026-109: CVE-2026-109773
vendor_mozilla·CVSS 6.5
CVE-2026-109773 [MEDIUM] Mozilla Foundation Security Advisory 2026-109: CVE-2026-109773
Mozilla Foundation Security Advisory 2026-109
CVE: CVE-2026-109773
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 158
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-10-13
Published