CVE-2018-12362: canonical ubuntu_linux Integer Overflow or Wraparound

Vulnerability summary

CVE-2018-12362 is a high (CVSS 8.8) Integer Overflow or Wraparound vulnerability in canonical ubuntu_linux. EPSS estimates a 3.77% chance of exploitation in the next 30 days, higher than 89.9% of scored vulnerabilities.

Timeline

1. 18-10-2018
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

An integer overflow can occur during graphics operations done by the Supplemental Streaming SIMD Extensions 3 (SSSE3) scaler, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

• CWE-190Integer Overflow or WraparoundThe product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.