CVE-2006-3670: Stack-based buffer overflow in Winlpd 1.26 allows remote attackers to execute arbitrary code via a long string

Q: How do I fix CVE-2006-3670?

winlpd: upgrade to newer than 1.26. Exact commands for each OS are on this page.

Q: Is CVE-2006-3670 being exploited?

CVE-2006-3670 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-3670 affect?

CVE-2006-3670 affects winlpd. Severity is high (CVSS 7.5). Stack-based buffer overflow in Winlpd 1.26 allows remote attackers to execute arbitrary code via a long string in a request to TCP port 515.

Q: How urgent is CVE-2006-3670?

Priority 55/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2006-3670 is a high-severity flaw (CVSS 7.5) affecting winlpd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in Winlpd 1.26 allows remote attackers to execute arbitrary code via a long string in a request to TCP port 515.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	7.4% (top 6%)
CISA exploited list	No
Published	2006-07-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: rabox

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

Am I affected?

Timeline

2006-07-18 15:47 UTCPublished CVE record published
2026-06-16 22:27 UTCUpdated Record last modified

rabox winlpd UPGRADE

Affected: <= 1.26

Fixed in: newer than 1.26

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.26 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade winlpd

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade winlpd

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: Winlpd 1.2 Build 1076 - Remote Buffer 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-2006-3670?

winlpd: upgrade to newer than 1.26. Exact commands for each OS are on this page.

Is CVE-2006-3670 being exploited?

CVE-2006-3670 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-2006-3670 affect?

CVE-2006-3670 affects winlpd. Severity is high (CVSS 7.5). Stack-based buffer overflow in Winlpd 1.26 allows remote attackers to execute arbitrary code via a long string in a request to TCP port 515.

How urgent is CVE-2006-3670?

Priority 55/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

References

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