CVE-2023-6204 (published 2023-11-21T14:28:52.188Z)
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.
Affected products: Vendor: Mozilla
Product: Firefox
Versions: unspecified