VULNERABILITY INTELLIGENCE

CVE-2012-4218

CVSS score10 HIGH
EPSS probability5.61%
CISA KEVNot currently listed
Published2012-11-21
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:C/I:C/A:C

Description

Use-after-free vulnerability in the BuildTextRunsScanner::BreakSink::SetBreaks 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.

Weakness classification

  • CWE-416: Use After Free

Primary references