CVE-2005-4418: util-vserver before 0.30.208-1 with kernel-patch-vserver before 1.9.5.5 and 2.x before 2.3 for Debian GNU/Linu

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HIGH 7.5WATCHLISTDOWNGRADE

CVE-2005-4418 is a high-severity flaw (CVSS 7.5) affecting util-vserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

util-vserver before 0.30.208-1 with kernel-patch-vserver before 1.9.5.5 and 2.x before 2.3 for Debian GNU/Linux sets a default policy that trusts unknown capabilities, which could allow local users to conduct unauthorized activities.

Why this priority

High severity
On your watchlist

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.8% (top 21%)
CISA exploited list	No
Published	2005-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: vserver

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

Am I affected?

Timeline

2005-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:18 UTCUpdated Record last modified

vserver util-vserver DOWNGRADE

Affected: 0 · 0.30.209

Fixed in: no fixed release known

Safe to downgrade to: a release before 0

1. Check installed version

apt-cache policy util-vserver || rpm -q util-vserver || util-vserver --version

2. No fixed release: DOWNGRADE to a release before 0 (Debian / Ubuntu)

apt-cache madison util-vserver sudo apt install util-vserver=<VERSION_BEFORE_0> sudo apt-mark hold util-vserver

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

dnf --showduplicates list util-vserver sudo dnf downgrade util-vserver-<VERSION_BEFORE_0> sudo dnf versionlock add util-vserver

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-2005-4418?

util-vserver: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-4418 being exploited?

CVE-2005-4418 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-2005-4418 affect?

CVE-2005-4418 affects util-vserver. Severity is high (CVSS 7.5). util-vserver before 0.30.208-1 with kernel-patch-vserver before 1.9.5.5 and 2.x before 2.3 for Debian GNU/Linux sets a default policy that trusts unknown capabilities, which could allow local users to conduct unauthorized activities.

How urgent is CVE-2005-4418?

Priority 51/100. High severity; On your watchlist

Software pages

Debian vulnerabilities

Related CVEs

CVE-2006-1656 HIGH 7.2 UPGRADE vserver in util-vserver 0.30.209 executes a command as root when the suexec userid parameter is invalid and no

References

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