CVE-2023-4049

CVSS 3.1 Score 5.9 of 10 (medium)

Details

Published Aug 1, 2023
Updated: Aug 9, 2023
CWE ID 362

Summary

CVE-2023-4049 is a newly disclosed vulnerability affecting Firefox versions prior to 116, Firefox ESR versions prior to 102.14, and Firefox ESR versions prior to 115.1. The issue stems from race conditions in Firefox's reference counting code, which were discovered through code inspection. These conditions could potentially lead to use-after-free vulnerabilities, allowing an attacker to manipulate memory and execute arbitrary code, resulting in a significant security risk. Mitigation involves updating to the latest Firefox release to protect against these types of exploits.

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