AUGUST 4, 2026
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Case File

CVE-2023-52558

HIGH · CVSS 7.5 EPSS 0.70% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-03-01 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. 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.

GitHub PoC Links

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

CVE
CVE-2023-52558
Severity
HIGH
CVSS
7.5
EPSS
0.70%

Original NVD Description

In OpenBSD 7.4 before errata 002 and OpenBSD 7.3 before errata 019, a network buffer that had to be split at certain length that could crash the kernel after receiving specially crafted escape sequences.

Related CVEs

Other vulnerabilities affecting the same vendor(s)