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An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes.
An attacker was able to inject an event handler into a privileged object that would allow arbitrary JavaScript execution in the parent process. Note: This vulnerability affects Desktop Firefox only, it does not affect mobile versions of Firefox. This vulnerability affects Firefox < 124.0.1 and Firefox ESR < 115.9.1.
Chromium: CVE-2023-5217 Heap buffer overflow in vp8 encoding in libvpx
Chromium: CVE-2023-4863 Heap buffer overflow in WebP