CVE-2023-6204
On some systems-depending on the graphics settings and drivers-it was possible to force an out-of-bounds read and leak m
On some systems-depending on the graphics settings and drivers-it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
MEDIUM · CVSS 6.5
EPSS 0.00338
Monitor
- No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1
YARA rules0