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CVE-2023-4582

Description

Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occured when allocating too much private shader memory on mac OS. *This bug only affects Firefox on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

POC

Reference

- https://bugzilla.mozilla.org/show_bug.cgi?id=1773874

Github

- https://github.com/dlehgus1023/dlehgus1023

- https://github.com/l33d0hyun/l33d0hyun