CVSS 3.1 Score 5.3 of 10 (medium)


Published Aug 1, 2023
Updated: Aug 9, 2023


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.


Explore Beyond the CVE Basics with Recorded Future's Vulnerability Intelligence

Note: This is just a basic overview providing quick insights into CVE-2023-4046 information. Gain full access to comprehensive CVE data, risk scores, prioritization, and mitigation data through Recorded Future's Vulnerability Intelligence:
  • Prioritize with Risk-Based Scoring
  • Explore the Extensive Vulnerability Database
  • Receive Early Alerts on Emerging CVEs
  • Focus on Critical Exploitable Vulnerabilities
  • Streamline Remediation with Integration Options