CVSS 3.1 Score 7.4 of 10 (high)


Published Sep 27, 2023
Updated: Jan 7, 2024
CWE ID 401


CVE-2023-5170 is a high severity vulnerability that affects Firefox versions prior to 118. It is categorized as CWE-401, specifically a "Missing Release of Memory after Effective Lifetime" vulnerability. The vulnerability allows a compromised content process in the canvas rendering to cause unexpected changes in a surface, resulting in a memory leak of a privileged process. This memory leak can be exploited for sandbox escape if sensitive data is leaked. The exploitability score is 2.8 out of 10, with user interaction required and network access as the attack vector. It has a base severity score of 7.4, with high impact on confidentiality and none on integrity or availability. Remediation involves updating Firefox to version 118 or later to mitigate the vulnerability and prevent potential attacks.

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