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Case File

CVE-2023-5172

CRITICAL · CVSS 9.8 EPSS 0.81% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-09-27 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Firefox. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-5172
Severity
CRITICAL
CVSS
9.8
EPSS
0.81%
Firefox

Original NVD Description

A hashtable in the Ion Engine could have been mutated while there was a live interior reference, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 118.

Related CVEs

Other vulnerabilities affecting the same vendor(s)