CVE-2023-5170

Description

In canvas rendering, a compromised content process could have caused a surface to change unexpectedly, leading to a memory leak of a privileged process. This memory leak could be used to effect a sandbox escape if the correct data was leaked. This vulnerability affects Firefox < 118.

CVSS Metrics

• v3.1•HIGH•Score: 7.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

EPSS Trends

Current EPSS score: 0.23%• Percentile: 46%

Techniques & Countermeasures

• CWE-401•Missing Release of Memory after Effective Lifetime

  The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

• Unknown•Firefox

  ≥ unspecified, < 118 | < 118.0

References (3)

• https://bugzilla.mozilla.org/show_bug.cgi?id=1846686
• https://www.mozilla.org/security/advisories/mfsa2023-41/
• https://security.gentoo.org/glsa/202401-10