CVE-2023-4045 Information

Description

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.

Reference

https://www.mozilla.org/security/advisories/mfsa2023-30/ https://www.mozilla.org/security/advisories/mfsa2023-31/ https://www.mozilla.org/security/advisories/mfsa2023-29/ https://bugzilla.mozilla.org/show_bug.cgi?id=1833876