CVE-2003-1308: CRLF injection vulnerability in fvwm-menu-directory for fvwm 2.5.x before 2.5.10 and 2.4.x before 2.4.18 allow

Q: How do I fix CVE-2003-1308?

fvwm: upgrade to newer than 2.5.8. Exact commands for each OS are on this page.

Q: Is CVE-2003-1308 being exploited?

CVE-2003-1308 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-2003-1308 affect?

CVE-2003-1308 affects fvwm. Severity is medium (CVSS 4.6). CRLF injection vulnerability in fvwm-menu-directory for fvwm 2.5.x before 2.5.10 and 2.4.x before 2.4.18 allows local users to execute arbitrary commands via carriage returns in a filename.

Q: How urgent is CVE-2003-1308?

Priority 39/100. Public exploit reference

Routine

MEDIUM 4.6UPGRADE

CVE-2003-1308 is a medium-severity flaw (CVSS 4.6) affecting fvwm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CRLF injection vulnerability in fvwm-menu-directory for fvwm 2.5.x before 2.5.10 and 2.4.x before 2.4.18 allows local users to execute arbitrary commands via carriage returns in a filename.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Published	2003-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: fvwm

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

Am I affected?

Timeline

2003-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:03 UTCUpdated Record last modified

fvwm fvwm UPGRADE

Affected: <= 2.4.17 · <= 2.5.8

Fixed in: newer than 2.5.8

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.5.8 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fvwm

Note

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

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: FVWM 2.4/2.5 - fvwm-menu-Directory 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-2003-1308?

fvwm: upgrade to newer than 2.5.8. Exact commands for each OS are on this page.

Is CVE-2003-1308 being exploited?

CVE-2003-1308 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-2003-1308 affect?

CVE-2003-1308 affects fvwm. Severity is medium (CVSS 4.6). CRLF injection vulnerability in fvwm-menu-directory for fvwm 2.5.x before 2.5.10 and 2.4.x before 2.4.18 allows local users to execute arbitrary commands via carriage returns in a filename.

How urgent is CVE-2003-1308?

Priority 39/100. Public exploit reference

Related CVEs

CVE-2006-5969 MEDIUM 4.6 UPGRADE CRLF injection vulnerability in the evalFolderLine function in fvwm 2.5.18 and earlier allows local users to e

References

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