CVE-2003-0339: Multiple heap-based buffer overflows in WsMp3 daemon (WsMp3d) 0.0.10 and earlier allow remote attackers to exe

This month

HIGH 7.5DOWNGRADEDOWNGRADE

CVE-2003-0339 is a high-severity flaw (CVSS 7.5) affecting wsmp3 daemon, wsmp3 web server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple heap-based buffer overflows in WsMp3 daemon (WsMp3d) 0.0.10 and earlier allow remote attackers to execute arbitrary code via long HTTP requests.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	8.2% (top 5%)
CISA exploited list	No
Published	2003-05-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: wsmp3

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

Am I affected?

Timeline

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

wsmp3 wsmp3 daemon DOWNGRADE

Affected: 0.0.8 · 0.0.9 · 0.0.10

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.0.8

1. Check installed version

apt-cache policy wsmp3-daemon || rpm -q wsmp3-daemon || wsmp3-daemon --version

2. No fixed release: DOWNGRADE to a release before 0.0.8 (Debian / Ubuntu)

apt-cache madison wsmp3-daemon sudo apt install wsmp3-daemon=<VERSION_BEFORE_0.0.8> sudo apt-mark hold wsmp3-daemon

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

dnf --showduplicates list wsmp3-daemon sudo dnf downgrade wsmp3-daemon-<VERSION_BEFORE_0.0.8> sudo dnf versionlock add wsmp3-daemon

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.

wsmp3 wsmp3 web server DOWNGRADE

Affected: 0.0.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.0.7

1. Check installed version

apt-cache policy wsmp3-web-server || rpm -q wsmp3-web-server || wsmp3-web-server --version

2. No fixed release: DOWNGRADE to a release before 0.0.7 (Debian / Ubuntu)

apt-cache madison wsmp3-web-server sudo apt install wsmp3-web-server=<VERSION_BEFORE_0.0.7> sudo apt-mark hold wsmp3-web-server

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

dnf --showduplicates list wsmp3-web-server sudo dnf downgrade wsmp3-web-server-<VERSION_BEFORE_0.0.7> sudo dnf versionlock add wsmp3-web-server

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: WsMp3d 0.x - Remote Heap Overflow

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-2003-0339?

wsmp3 daemon: downgrade or apply the listed mitigation; wsmp3 web server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2003-0339 being exploited?

CVE-2003-0339 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-2003-0339 affect?

CVE-2003-0339 affects wsmp3 daemon, wsmp3 web server. Severity is high (CVSS 7.5). Multiple heap-based buffer overflows in WsMp3 daemon (WsMp3d) 0.0.10 and earlier allow remote attackers to execute arbitrary code via long HTTP requests.

How urgent is CVE-2003-0339?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2003-0338 MEDIUM 5.0 DOWNGRADE DOWNGRADE Directory traversal vulnerability in WsMp3 daemon (WsMp3d) 0.0.10 and earlier allows remote attackers to read

References

← Back to latest CVEs