peter bassill · operator
$ cve CVE-2013-0238 JSON

CVE-2013-0238 EXPLOIT

5.0
MEDIUM · CVSS 2.0 · EPSS 10% (pctl 95)

Patch early

A public exploit exists.

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.

Scoring

CVSS5.0 (MEDIUM, v2.0)
VectorAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS9.96% — more likely to be exploited than 95% of all CVEs
WeaknessCWE-20
On CISA KEVno
Public exploityes
Published2013-02-13
Last modified2026-06-16

Affected (1)

VendorProduct
ircd-hybridircd-hybrid

Public exploits

SourceTitleDate
exploit-dbircd-hybrid 8.0.5 - Denial of Service2013-04-12

References

→ the Explorer  ·  watch your stack  ·  NVD