CVE-2005-3114: Buffer overflow in the ActiveX control for NateOn Messenger (NateonDownloadManager.ocx) allows remote attacker

This month

HIGH 7.5MITIGATE

CVE-2005-3114 is a high-severity flaw (CVSS 7.5) affecting nateon messenger. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the ActiveX control for NateOn Messenger (NateonDownloadManager.ocx) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long third argument to the GotNate.Excute method.

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	3.2% (top 12%)
CISA exploited list	No
Published	2005-09-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: nateon

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

Am I affected?

Timeline

2005-09-30 10:05 UTCPublished CVE record published
2026-06-16 22:16 UTCUpdated Record last modified

nateon nateon messenger MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nateon-messenger || rpm -q nateon-messenger || nateon-messenger --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2005-3114?

nateon messenger: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-3114 being exploited?

CVE-2005-3114 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-2005-3114 affect?

CVE-2005-3114 affects nateon messenger. Severity is high (CVSS 7.5). Buffer overflow in the ActiveX control for NateOn Messenger (NateonDownloadManager.ocx) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long third argument to the GotNate.Excute method.

How urgent is CVE-2005-3114?

Priority 48/100. High severity

Related CVEs

CVE-2005-3113 HIGH 7.5 MITIGATE The ActiveX control for NateOn Messenger (NateonDownloadManager.ocx) allows remote attackers to download and e
CVE-2005-2137 MEDIUM 5.0 DOWNGRADE Unknown vulnerability in NateOn Messenger 3.0 allows remote attackers to list arbitrary directories via unknow

References

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