CVE-2003-0366: lyskom-server 2.0.7 and earlier allows unauthenticated users to cause a denial of service (CPU consumption) vi

Q: How do I fix CVE-2003-0366?

lyskom-server: upgrade to newer than 2.0.7. Exact commands for each OS are on this page.

Q: Is CVE-2003-0366 being exploited?

CVE-2003-0366 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-2003-0366 affect?

CVE-2003-0366 affects lyskom-server. Severity is medium (CVSS 5.0). lyskom-server 2.0.7 and earlier allows unauthenticated users to cause a denial of service (CPU consumption) via a large query.

Q: How urgent is CVE-2003-0366?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2003-0366 is a medium-severity flaw (CVSS 5.0) affecting lyskom-server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

lyskom-server 2.0.7 and earlier allows unauthenticated users to cause a denial of service (CPU consumption) via a large query.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.1% (top 33%)
CISA exploited list	No
Published	2003-07-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: lysator

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

Am I affected?

Timeline

2003-07-24 04:00 UTCPublished CVE record published
2026-06-16 22:02 UTCUpdated Record last modified

lysator lyskom-server UPGRADE

Affected: <= 2.0.7

Fixed in: newer than 2.0.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lyskom-server || rpm -q lyskom-server || lyskom-server --version

2. UPGRADE to newer than 2.0.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lyskom-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lyskom-server

Note

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

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-2003-0366?

lyskom-server: upgrade to newer than 2.0.7. Exact commands for each OS are on this page.

Is CVE-2003-0366 being exploited?

CVE-2003-0366 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-2003-0366 affect?

CVE-2003-0366 affects lyskom-server. Severity is medium (CVSS 5.0). lyskom-server 2.0.7 and earlier allows unauthenticated users to cause a denial of service (CPU consumption) via a large query.

How urgent is CVE-2003-0366?

Priority 34/100. No elevated risk signals yet.

References

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