CVE-2005-0959: Buffer overflow in the mt_do_dir function in YepYep mtftpd 0.0.3 may allow attackers to execute arbitrary code

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HIGH 7.5DOWNGRADE

CVE-2005-0959 is a high-severity flaw (CVSS 7.5) affecting mtftpd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the mt_do_dir function in YepYep mtftpd 0.0.3 may allow attackers to execute arbitrary code via a long path.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.6% (top 11%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: yepyep

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

Am I affected?

Timeline

2005-05-02 04:00 UTCPublished CVE record published
2026-06-16 22:12 UTCUpdated Record last modified

yepyep mtftpd DOWNGRADE

Affected: 0.1a · 0.2 · 0.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1a

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.1a (Debian / Ubuntu)

apt-cache madison mtftpd sudo apt install mtftpd=<VERSION_BEFORE_0.1a> sudo apt-mark hold mtftpd

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

dnf --showduplicates list mtftpd sudo dnf downgrade mtftpd-<VERSION_BEFORE_0.1a> sudo dnf versionlock add mtftpd

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: YepYep MTFTPD 0.2/0.3 - Remote CWD Argument Format String

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-2005-0959?

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

Is CVE-2005-0959 being exploited?

CVE-2005-0959 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-2005-0959 affect?

CVE-2005-0959 affects mtftpd. Severity is high (CVSS 7.5). Buffer overflow in the mt_do_dir function in YepYep mtftpd 0.0.3 may allow attackers to execute arbitrary code via a long path.

How urgent is CVE-2005-0959?

Priority 54/100. High severity; Public exploit reference

Related CVEs

CVE-2005-0958 HIGH 7.5 DOWNGRADE Format string vulnerability in the log_do function in log.c for YepYep mtftpd 0.0.3, when the statistics optio

References

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