CVE-2026-113399

CVSS 9.8 (critical) · published 2026-10-20

Incorrect boundary conditions in the SVG component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.

Weakness: CWE-190

Source: NVD CVE-2026-113399

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2079938
• https://www.mozilla.org/security/advisories/mfsa2026-111/
• https://www.mozilla.org/security/advisories/mfsa2026-114/

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