CVSS 3.1 Score 9.8 of 10 (high)


Published Sep 27, 2023
Updated: Sep 29, 2023
CWE ID 416


CVE-2023-5174 is a critical vulnerability that affects Firefox versions earlier than 118, Firefox ESR versions earlier than 115.3, and Thunderbird versions earlier than 115.3 on Windows when run in non-standard configurations. This vulnerability can lead to a use-after-free scenario, potentially resulting in a crash that could be exploited by an attacker. The risk score for this vulnerability is 65 out of 100. It does not require any privileges or user interaction to exploit and has a low attack complexity. The impact of this vulnerability includes high integrity and confidentiality impacts, with the potential for remote exploitation over a network connection.

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