CVSS 3.1 Score 5.9 of 10 (medium)


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


CVE-2023-4049 is a vulnerability that affects Firefox versions below 116, Firefox ESR versions below 102.14, and Firefox ESR versions below 115.1. It is categorized as a race condition vulnerability, specifically CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization). This vulnerability could potentially lead to exploitable use-after-free vulnerabilities. The base severity of this vulnerability is rated as MEDIUM, with a base score of 5.9 according to the National Vulnerability Database (NVD). The exploitability score is 2.2, and the impact score is 3.6. The attack vector for this vulnerability is through the network, and the attack complexity is rated as HIGH. The availability impact is also rated as HIGH. No user interaction or privileges are required to exploit this vulnerability.


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