CVE-2023-4046

CVE-2023-4046 is a medium-severity vulnerability affecting Firefox versions prior to 116, Firefox ESR prior to 102.14, and Firefox ESR prior to 115.1. It stems from a stale global variable in WASM JIT analysis, leading to incorrect compilation and a potentially exploitable crash in the content process. The CVSS score of 5.3 indicates a network-based attack with low complexity, requiring no user interaction, and resulting in a denial of service. While no active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB) has been identified, the vulnerability has garnered some community discussion and media coverage.