CVE-2023-6204
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.8%
exploitation probability
0.8%top 44% of all CVEs
observed exploitation
nono source reports it
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.
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1841050https://lists.debian.org/debian-lts-announce/2023/11/msg00017.htmlhttps://lists.debian.org/debian-lts-announce/2023/11/msg00030.htmlhttps://www.debian.org/security/2023/dsa-5561https://www.mozilla.org/security/advisories/mfsa2023-49/https://www.mozilla.org/security/advisories/mfsa2023-50/https://www.mozilla.org/security/advisories/mfsa2023-52/