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Case File

CVE-2011-3659

HIGH · CVSS 9.3 EPSS 36.65%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2012-02-01 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 9.3. It affects Firefox. Its EPSS score suggests a 36.6% probability of exploitation in the next 30 days. It may be remotely exploitable.

CVE
CVE-2011-3659
Severity
HIGH
CVSS
9.3
EPSS
36.65%
Firefox

Original NVD Description

Use-after-free vulnerability in Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMonkey before 2.7 might allow remote attackers to execute arbitrary code via vectors related to incorrect AttributeChildRemoved notifications that affect access to removed nsDOMAttribute child nodes.