CVE-2026-109730

HighCVSS 8.8/10Last modified Oct 15, 2026

Description

Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 15, 2026
NVD status
Deferred

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CVE-2026-109730: High severity, CVSS 8.8 | Vulnix