CVE-2024-7519: mozilla: Out of bounds memory access in graphics shared memory handling

Severity: Critical

CVSS Score: 9.6

Insufficient checks when processing graphics shared memory could have led to memory corruption. This could be leveraged by an attacker to perform a sandbox escape. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.