CVSS 3.1 Score 9.8 of 10 (high)


Published Aug 1, 2023
Updated: Aug 7, 2023
CWE ID 787


The vulnerability with CVE ID CVE-2023-4057 is a memory safety bug that affects Firefox version 115, Firefox ESR version 115.0, and Thunderbird version 115.0. These bugs have the potential to cause memory corruption and could be exploited to run arbitrary code. The affected products include Firefox versions prior to 116, Firefox ESR versions prior to 115.1, and Thunderbird versions prior to 115.1. The vulnerability has a severity rating of CRITICAL with a base score of 9.8 according to NIST's National Vulnerability Database (NVD). It requires no privileges or user interaction for exploitation and can be targeted remotely over a network. The impact includes high integrity and confidentiality impacts, with an availability impact also being high.


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