CVE-2006-2555: The parse_command function in Genecys 0.2 and earlier allows remote attackers to cause a denial of service (cr

Q: How do I fix CVE-2006-2555?

genecys: upgrade to newer than 0.2. Exact commands for each OS are on this page.

Q: Is CVE-2006-2555 being exploited?

CVE-2006-2555 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-2006-2555 affect?

CVE-2006-2555 affects genecys. Severity is medium (CVSS 5.0). The parse_command function in Genecys 0.2 and earlier allows remote attackers to cause a denial of service (crash) via a command with a missing ":" (colon) separator, which triggers a null dereference.

Q: How urgent is CVE-2006-2555?

Priority 46/100. EPSS top 5%: very likely to be exploited; Public exploit reference

This week

MEDIUM 5.0UPGRADE

CVE-2006-2555 is a medium-severity flaw (CVSS 5.0) affecting genecys. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The parse_command function in Genecys 0.2 and earlier allows remote attackers to cause a denial of service (crash) via a command with a missing ":" (colon) separator, which triggers a null dereference.

Why this priority

EPSS top 5%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	8.9% (top 5%)
CISA exploited list	No
Published	2006-05-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: genecys

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

Am I affected?

Timeline

2006-05-24 01:02 UTCPublished CVE record published
2026-06-16 22:25 UTCUpdated Record last modified

genecys genecys UPGRADE

Affected: <= 0.2

Fixed in: newer than 0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade genecys

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: Genecys 0.2 - Buffer Overflow / NULL Pointer (Denial of Service)

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-2006-2555?

genecys: upgrade to newer than 0.2. Exact commands for each OS are on this page.

Is CVE-2006-2555 being exploited?

CVE-2006-2555 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-2006-2555 affect?

CVE-2006-2555 affects genecys. Severity is medium (CVSS 5.0). The parse_command function in Genecys 0.2 and earlier allows remote attackers to cause a denial of service (crash) via a command with a missing ":" (colon) separator, which triggers a null dereference.

How urgent is CVE-2006-2555?

Priority 46/100. EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2006-2554 MEDIUM 6.4 DOWNGRADE Buffer overflow in the tell_player_surr_changes function in Genecys 0.2 and earlier might allow remote attacke

References

← Back to latest CVEs