CVE-2026-74977EPSS p47.0%

CVE-2026-74977CVE-2026-74977

mozilla / firefox

Description

Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS0.60% probability of exploitation · percentile 47.0% · 2026-10-06T12:00:23Z
Last modified2026-08-25
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.