CVE-2007-3360: hook.c in BitchX 1.1-final allows remote IRC servers to execute arbitrary commands by sending a client certain

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HIGH 9.3DOWNGRADE

CVE-2007-3360 is a high-severity flaw (CVSS 9.3) affecting bitchx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

hook.c in BitchX 1.1-final allows remote IRC servers to execute arbitrary commands by sending a client certain data containing NICK and EXEC strings, which exceeds the bounds of a hash table, and injects an EXEC hook function that receives and executes shell commands.

Why this priority

Critical severity
EPSS top 6%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	7.5% (top 6%)
CISA exploited list	No
Published	2007-06-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bitchx

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-06-22 18:30 UTCPublished CVE record published
2026-06-16 22:41 UTCUpdated Record last modified

bitchx bitchx DOWNGRADE

Affected: 1.1-final

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1-final

1. Check installed version

apt-cache policy bitchx || rpm -q bitchx || bitchx --version

2. No fixed release: DOWNGRADE to a release before 1.1-final (Debian / Ubuntu)

apt-cache madison bitchx sudo apt install bitchx=<VERSION_BEFORE_1.1-final> sudo apt-mark hold bitchx

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list bitchx sudo dnf downgrade bitchx-<VERSION_BEFORE_1.1-final> sudo dnf versionlock add bitchx

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: BitchX 1.1-final - 'EXEC' Remote Command Execution

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2007-3360?

bitchx: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-3360 being exploited?

CVE-2007-3360 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2007-3360 affect?

CVE-2007-3360 affects bitchx. Severity is high (CVSS 9.3). hook.c in BitchX 1.1-final allows remote IRC servers to execute arbitrary commands by sending a client certain data containing NICK and EXEC strings, which exceeds the bounds of a hash table, and injects an EXEC hook function that receives

How urgent is CVE-2007-3360?

Priority 61/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference

Related CVEs

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CVE-2007-4584 HIGH 10.0 DOWNGRADE Stack-based buffer overflow in BitchX 1.1 Final allows remote IRC servers to execute arbitrary code via a long
CVE-2003-1450 MEDIUM 5.0 DOWNGRADE BitchX 75p3 and 1.0c16 through 1.0c20cvs allows remote attackers to cause a denial of service (segmentation fa
CVE-2003-0334 LOW 2.1 UPGRADE BitchX IRC client 1.0c20cvs and earlier allows attackers to cause a denial of service (core dump) via certain

References

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