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.
References (3)
Core 3
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1846686
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-41/
Third Party Advisory
https://security.gentoo.org/glsa/202401-10
Scores
CVSS v3
7.4
EPSS
0.0018
EPSS Percentile
38.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-401
Status
published
Products (1)
mozilla/firefox
< 118.0
Published
Sep 27, 2023
Tracked Since
Feb 18, 2026