CVE-2004-0739: Buffer overflow in Whisper FTP Surfer 1.0.7 allows remote FTP servers to cause a denial of service (client cra

This month

HIGH 7.5DOWNGRADE

CVE-2004-0739 is a high-severity flaw (CVSS 7.5) affecting whisper ftp surfer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Whisper FTP Surfer 1.0.7 allows remote FTP servers to cause a denial of service (client crash) and possibly execute arbitrary code via a long filename.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.5% (top 16%)
CISA exploited list	No
Published	2004-07-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: snapfiles

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

Am I affected?

Timeline

2004-07-27 04:00 UTCPublished CVE record published
2026-06-16 22:06 UTCUpdated Record last modified

snapfiles whisper ftp surfer DOWNGRADE

Affected: 1.0.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.7

1. Check installed version

apt-cache policy whisper-ftp-surfer || rpm -q whisper-ftp-surfer || whisper-ftp-surfer --version

2. No fixed release: DOWNGRADE to a release before 1.0.7 (Debian / Ubuntu)

apt-cache madison whisper-ftp-surfer sudo apt install whisper-ftp-surfer=<VERSION_BEFORE_1.0.7> sudo apt-mark hold whisper-ftp-surfer

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

dnf --showduplicates list whisper-ftp-surfer sudo dnf downgrade whisper-ftp-surfer-<VERSION_BEFORE_1.0.7> sudo dnf versionlock add whisper-ftp-surfer

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.

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-2004-0739?

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

Is CVE-2004-0739 being exploited?

CVE-2004-0739 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-2004-0739 affect?

CVE-2004-0739 affects whisper ftp surfer. Severity is high (CVSS 7.5). Buffer overflow in Whisper FTP Surfer 1.0.7 allows remote FTP servers to cause a denial of service (client crash) and possibly execute arbitrary code via a long filename.

How urgent is CVE-2004-0739?

Priority 47/100. High severity

References

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