CVSS 3.1 Score 9.8 of 10 (high)


Published Sep 27, 2023
Updated: Jan 7, 2024
CWE ID 416


CVE-2023-5172 is a vulnerability that affects Firefox versions prior to 118. It is categorized as a use-after-free vulnerability, specifically in the hashtable of the Ion Engine. This vulnerability can lead to a potential crash that is exploitable, posing a high danger to organizations. The base severity of this vulnerability is rated as CRITICAL, with a base score of 9.8 out of 10. It requires no privileges and no user interaction, making it accessible over a network. The impact on integrity and confidentiality is classified as HIGH, with an overall impact score of 5.9 out of 10. Remediation for this vulnerability involves updating Firefox to version 118 or above.

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