CVE-2023-4045
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.6%
exploitation probability
0.6%top 54% of all CVEs
observed exploitation
nono source reports it
Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1833876https://lists.debian.org/debian-lts-announce/2023/08/msg00008.htmlhttps://lists.debian.org/debian-lts-announce/2023/08/msg00010.htmlhttps://www.debian.org/security/2023/dsa-5464https://www.debian.org/security/2023/dsa-5469https://www.mozilla.org/security/advisories/mfsa2023-29/https://www.mozilla.org/security/advisories/mfsa2023-30/https://www.mozilla.org/security/advisories/mfsa2023-31/