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Case File

CVE-2012-4217

HIGH · CVSS 9.3 EPSS 6.16%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2012-11-21 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 9.3. It affects Firefox. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2012-4217
Severity
HIGH
CVSS
9.3
EPSS
6.16%
Firefox

Original NVD Description

Use-after-free vulnerability in the nsViewManager::ProcessPendingUpdates function in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.