CVSS 3.1 Score 8.8 of 10 (high)


Published Sep 11, 2023
Updated: Sep 14, 2023
CWE ID 120


CVE-2023-4582 is a vulnerability that affects Firefox on macOS. It is caused by lenient allocation checks in Angle for glsl shaders, which could lead to a buffer overflow when allocating too much private shader memory. This vulnerability affects Firefox versions prior to 117, Firefox ESR versions prior to 115.2, and Thunderbird versions prior to 115.2. The potential danger posed by this vulnerability is high, with a base severity rating of HIGH and a base score of 8.8 according to NIST. The exploitability score is 2.8, and user interaction is required for the exploit to occur. The impact score is 5.9, with high integrity and confidentiality impacts. The attack vector is through the network, and no privileges are required for exploitation. Remediation for this vulnerability involves updating Firefox, Firefox ESR, and Thunderbird to the latest versions provided by the respective vendors.


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