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Case File

CVE-2012-0459

HIGH · CVSS 7.5 EPSS 3.87%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2012-03-14 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE
CVE-2012-0459
Severity
HIGH
CVSS
7.5
EPSS
3.87%
Firefox

Original Filing — NVD Description

The Cascading Style Sheets (CSS) implementation in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via dynamic modification of a keyframe followed by access to the cssText of the keyframe.