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Case File

CVE-2013-0238

MEDIUM · CVSS 5 EPSS 9.96% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2013-02-13 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.0. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable. It may lead to a denial-of-service condition.

Public Exploit Signal

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

External Security References

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

CVE
CVE-2013-0238
Severity
MEDIUM
CVSS
5
EPSS
9.96%

Original NVD Description

The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed.