VULNERABILITY INTELLIGENCE
CVE-2012-3962
CVSS score9.3 HIGH
EPSS probability4.73%
CISA KEVNot currently listed
Published2012-08-29
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:C/I:C/A:C
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 do not properly iterate through the characters in a text run, which allows remote attackers to execute arbitrary code via a crafted document.