CVE catalog
CVE-2013-0238
ircd-hybrid: CVE-2013-0238
- Severity
- Critical
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 9.96% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ircd-hybrid | sid | 1:8.2.46+dfsg.1-1 | fixed |
| Debian | ircd-hybrid | trixie | 1:8.2.46+dfsg.1-1 | fixed |
| Debian | ircd-hybrid | bookworm | 1:8.2.43+dfsg.1-1 | fixed |
Fixed-version evidence
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [hybrid-dev]Fixed
Source package: [ircd-hybrid]
Details (2)
1:8.2.43+dfsg.1-1· all · bookwormFixed · Fixed:
1:7.2.2.dfsg.2-10dsa · ircd-hybrid · debian · bookworm; dsa · ircd-hybrid · debian · 12
1:8.2.43+dfsg.1-1· all · bookwormFixed · Fixed:
1:7.2.2.dfsg.2-10dsa · ircd-hybrid · debian · bookworm; dsa · ircd-hybrid · debian · 12
- [ircd-hybrid]Fixed
Details (2)
1:8.2.43+dfsg.1-1· amd64 · bookwormFixed · Fixed:
1:7.2.2.dfsg.2-10dsa · ircd-hybrid · debian · bookworm; dsa · ircd-hybrid · debian · 12
1:8.2.43+dfsg.1-1· arm64 · bookwormFixed · Fixed:
1:7.2.2.dfsg.2-10dsa · ircd-hybrid · debian · bookworm; dsa · ircd-hybrid · debian · 12
[Debian 13 (Trixie)]
- [hybrid-dev]Fixed
Source package: [ircd-hybrid]
Details (2)
1:8.2.46+dfsg.1-1· all · trixieFixed · Fixed:
1:7.2.2.dfsg.2-10dsa · ircd-hybrid · debian · 13
1:8.2.46+dfsg.1-1· all · trixieFixed · Fixed:
1:7.2.2.dfsg.2-10dsa · ircd-hybrid · debian · 13
- [ircd-hybrid]Fixed
Details (2)
1:8.2.46+dfsg.1-1· amd64 · trixieFixed · Fixed:
1:7.2.2.dfsg.2-10dsa · ircd-hybrid · debian · 13
1:8.2.46+dfsg.1-1· arm64 · trixieFixed · Fixed:
1:7.2.2.dfsg.2-10dsa · ircd-hybrid · debian · 13
Observed: