CVE-2023-4046

CVSS 3.1 Score 5.3 of 10 (medium)

Details

Published Aug 1, 2023
Updated: Aug 9, 2023

Summary

CVE-2023-4046 is a medium-severity cyber vulnerability that affects Firefox versions prior to 116, Firefox ESR versions prior to 102.14, and Firefox ESR versions prior to 115.1. This vulnerability occurs when a stale value is used for a global variable in WebAssembly (WASM) JIT analysis, leading to incorrect compilation and a potentially exploitable crash in the content process. It has the CVSS score of 5.3 and an exploitability score of 3.9. The impact of this vulnerability is low, with no privileges required and no user interaction needed for exploitation. The attack vector is through the network, and it does not have any integrity or confidentiality impact. Organizations can remediate this vulnerability by updating their Firefox browser to version 116 or higher for regular users, or version 102.14 or higher for Firefox Extended Support Release (ESR) users.

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