CVE-2004-1903: Buffer overflow in blaxxun 3D 7.0 allows remote attackers to execute arbitrary code via a long URL property in

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HIGH 10.0DOWNGRADE

CVE-2004-1903 is a high-severity flaw (CVSS 10.0) affecting contact 3d. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in blaxxun 3D 7.0 allows remote attackers to execute arbitrary code via a long URL property inside an object tag.

Why this priority

Critical 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	10.0 (High)
EPSS exploit chance	7.6% (top 5%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: blaxxun

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

blaxxun contact 3d DOWNGRADE

Affected: 7.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0

1. Check installed version

apt-cache policy contact-3d || rpm -q contact-3d || contact-3d --version

2. No fixed release: DOWNGRADE to a release before 7.0 (Debian / Ubuntu)

apt-cache madison contact-3d sudo apt install contact-3d=<VERSION_BEFORE_7.0> sudo apt-mark hold contact-3d

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

dnf --showduplicates list contact-3d sudo dnf downgrade contact-3d-<VERSION_BEFORE_7.0> sudo dnf versionlock add contact-3d

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: Blaxxun Contact 3D - X-CC3D Browser Object Buffer Overflow (PoC)

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-2004-1903?

contact 3d: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-1903 being exploited?

CVE-2004-1903 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-2004-1903 affect?

CVE-2004-1903 affects contact 3d. Severity is high (CVSS 10.0). Buffer overflow in blaxxun 3D 7.0 allows remote attackers to execute arbitrary code via a long URL property inside an object tag.

How urgent is CVE-2004-1903?

Priority 64/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference

References

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