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Case File

CVE-2023-5728

HIGH · CVSS 7.5 EPSS 1.18% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-10-25 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. 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-2023-5728
Severity
HIGH
CVSS
7.5
EPSS
1.18%
Firefox

Original NVD Description

During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

Related CVEs

Other vulnerabilities affecting the same vendor(s)