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Case File

CVE-2023-23759

HIGH · CVSS 7.5 EPSS 0.72% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-05-18 · 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.

GitHub PoC Links
github.com ↗

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

CVE
CVE-2023-23759
Severity
HIGH
CVSS
7.5
EPSS
0.72%

Original NVD Description

There is a vulnerability in the fizz library prior to v2023.01.30.00 where a CHECK failure can be triggered remotely. This behavior requires the client supported cipher advertisement changing between the original ClientHello and the second ClientHello, crashing the process (impact is limited to denial of service).