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CVE-2004-0157: x11.c in xonix 1.4 and earlier uses the current working directory to find and execute the rmail program, which

25
Routine
MEDIUM 4.6UPGRADE

CVE-2004-0157 is a medium-severity flaw (CVSS 4.6) affecting xonix. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

x11.c in xonix 1.4 and earlier uses the current working directory to find and execute the rmail program, which allows local users to execute arbitrary code by modifying the path to point to a malicious rmail program.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score4.6 (Medium)
EPSS exploit chance0.4% (top 63%)
CISA exploited listNo
Published2004-06-01
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: xonix

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

Am I affected?

Timeline

xonix xonix UPGRADE
Affected: <= 1.4
Fixed in: newer than 1.4
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy xonix || rpm -q xonix || xonix --version
2. UPGRADE to newer than 1.4 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade xonix
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade xonix
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-2004-0157?

xonix: upgrade to newer than 1.4. Exact commands for each OS are on this page.

Is CVE-2004-0157 being exploited?

CVE-2004-0157 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-2004-0157 affect?

CVE-2004-0157 affects xonix. Severity is medium (CVSS 4.6). x11.c in xonix 1.4 and earlier uses the current working directory to find and execute the rmail program, which allows local users to execute arbitrary code by modifying the path to point to a malicious rmail program.

How urgent is CVE-2004-0157?

Priority 25/100. No elevated risk signals yet.

References

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