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-2012-4187
Severity
HIGH
CVSS
9.3
EPSS
6.84%
Firefox
Original NVD Description
Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 do not properly manage a certain insPos variable, which allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and assertion failure) via unspecified vectors.