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Case File

CVE-2012-3966

HIGH · CVSS 10 EPSS 5.19%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2012-08-29 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2012-3966
Severity
HIGH
CVSS
10
EPSS
5.19%
Firefox

Original NVD Description

Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a negative height value in a BMP image within a .ICO file, related to (1) improper handling of the transparency bitmask by the nsICODecoder component and (2) improper processing of the alpha channel by the nsBMPDecoder component.