CVE-2003-0334: BitchX IRC client 1.0c20cvs and earlier allows attackers to cause a denial of service (core dump) via certain

Q: How do I fix CVE-2003-0334?

bitchx: upgrade to newer than 1.0c20cvs. Exact commands for each OS are on this page.

Q: Is CVE-2003-0334 being exploited?

CVE-2003-0334 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2003-0334 affect?

CVE-2003-0334 affects bitchx. Severity is low (CVSS 2.1). BitchX IRC client 1.0c20cvs and earlier allows attackers to cause a denial of service (core dump) via certain channel mode changes that are not properly handled in names.c.

Q: How urgent is CVE-2003-0334?

Priority 15/100. No elevated risk signals yet.

Routine

LOW 2.1UPGRADE

CVE-2003-0334 is a low-severity flaw (CVSS 2.1) affecting bitchx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

BitchX IRC client 1.0c20cvs and earlier allows attackers to cause a denial of service (core dump) via certain channel mode changes that are not properly handled in names.c.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Published	2003-05-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: colten edwards

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

Am I affected?

Timeline

2003-05-10 04:00 UTCPublished CVE record published
2026-06-16 22:02 UTCUpdated Record last modified

colten edwards bitchx UPGRADE

Affected: <= 1.0c20cvs

Fixed in: newer than 1.0c20cvs

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.0c20cvs (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bitchx

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bitchx

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2003-0334?

bitchx: upgrade to newer than 1.0c20cvs. Exact commands for each OS are on this page.

Is CVE-2003-0334 being exploited?

CVE-2003-0334 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-2003-0334 affect?

CVE-2003-0334 affects bitchx. Severity is low (CVSS 2.1). BitchX IRC client 1.0c20cvs and earlier allows attackers to cause a denial of service (core dump) via certain channel mode changes that are not properly handled in names.c.

How urgent is CVE-2003-0334?

Priority 15/100. No elevated risk signals yet.

Related CVEs

CVE-2007-5922 MEDIUM 5.0 MITIGATE DOWNGRADE The modules/mdop.m in the Cypress 1.0k script for BitchX, as downloaded from a distribution site in November 2
CVE-2007-5839 MEDIUM 4.6 DOWNGRADE The e_hostname function in commands.c in BitchX 1.1a allows local users to overwrite arbitrary files via a sym
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-2007-3360 HIGH 9.3 DOWNGRADE hook.c in BitchX 1.1-final allows remote IRC servers to execute arbitrary commands by sending a client certain
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

References

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