CVE-2012-4187: canonical ubuntu_linux

Vulnerability summary

CVE-2012-4187 is a high (CVSS 9.3) vulnerability in canonical ubuntu_linux. EPSS estimates a 6.84% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities.

Timeline

1. 10-10-2012
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.