CVSS 3.1 Score 8.6 of 10 (high)


Published Sep 11, 2023
Updated: Sep 13, 2023
CWE ID 190


CVE-2023-4576 is a high-severity vulnerability that affects Firefox on Windows operating systems. The vulnerability is caused by an integer overflow in RecordedSourceSurfaceCreation, resulting in a heap buffer overflow that could potentially leak sensitive data and enable a sandbox escape. This vulnerability affects Firefox versions below 117, Firefox ESR versions below 102.15, and Thunderbird versions below 115.2. The exploitability score is 3.9 out of 10, indicating a moderate level of difficulty for potential attackers. The base score is 8.6 out of 10, signifying a high severity level for organizations impacted by this vulnerability.

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