CVE-2023-6204 Information

Description

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 < 115.5 and Thunderbird < 115.5.0.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1841050 https://www.mozilla.org/security/advisories/mfsa2023-49/ https://www.mozilla.org/security/advisories/mfsa2023-50/ https://www.mozilla.org/security/advisories/mfsa2023-52/