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Case File

CVE-2023-4573

MEDIUM · CVSS 6.5 EPSS 0.62% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-09-11 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

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-2023-4573
Severity
MEDIUM
CVSS
6.5
EPSS
0.62%
Firefox

Original NVD Description

When receiving rendering data over IPC `mStream` could have been destroyed when initialized, which could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.