CVE-2012-1939: mozilla firefox

Vulnerability summary

CVE-2012-1939 is a high (CVSS 9.3) vulnerability in mozilla firefox. EPSS estimates a 3.12% chance of exploitation in the next 30 days, higher than 87.6% of scored vulnerabilities.

Timeline

1. 05-06-2012
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does not properly determine data types, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via crafted JavaScript code.

• 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.