CVE-2005-0906: Buffer overflow in a player logging function in the Tincat network library 2.x before 2.0.28, as used in games

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HIGH 7.5DOWNGRADEDOWNGRADEDOWNGRADE

CVE-2005-0906 is a high-severity flaw (CVSS 7.5) affecting tincat, sacred, the settlersheritage of kings. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in a player logging function in the Tincat network library 2.x before 2.0.28, as used in games such as Sacred and The Settlers: Heritage of Kings, allows remote attackers to execute arbitrary code.

Why this priority

High severity
EPSS top 8%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	4.9% (top 8%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: instance four · sacred · ubi soft

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

Am I affected?

Timeline

2005-05-02 04:00 UTCPublished CVE record published
2026-06-16 22:12 UTCUpdated Record last modified

instance four tincat DOWNGRADE

Affected: release_2

Fixed in: no fixed release known

Safe to downgrade to: a release before release_2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before release_2 (Debian / Ubuntu)

apt-cache madison tincat sudo apt install tincat=<VERSION_BEFORE_release_2> sudo apt-mark hold tincat

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

dnf --showduplicates list tincat sudo dnf downgrade tincat-<VERSION_BEFORE_release_2> sudo dnf versionlock add tincat

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.

sacred sacred DOWNGRADE

Affected: 1.8.2.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.8.2.6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.8.2.6 (Debian / Ubuntu)

apt-cache madison sacred sudo apt install sacred=<VERSION_BEFORE_1.8.2.6> sudo apt-mark hold sacred

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

dnf --showduplicates list sacred sudo dnf downgrade sacred-<VERSION_BEFORE_1.8.2.6> sudo dnf versionlock add sacred

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.

ubi soft the settlersheritage of kings DOWNGRADE

Affected: 1.0_2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0_2

1. Check installed version

apt-cache policy the-settlersheritage-of-kings || rpm -q the-settlersheritage-of-kings || the-settlersheritage-of-kings --version

2. No fixed release: DOWNGRADE to a release before 1.0_2 (Debian / Ubuntu)

apt-cache madison the-settlersheritage-of-kings sudo apt install the-settlersheritage-of-kings=<VERSION_BEFORE_1.0_2> sudo apt-mark hold the-settlersheritage-of-kings

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

dnf --showduplicates list the-settlersheritage-of-kings sudo dnf downgrade the-settlersheritage-of-kings-<VERSION_BEFORE_1.0_2> sudo dnf versionlock add the-settlersheritage-of-kings

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.

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: Tincat Network Library - 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-2005-0906?

tincat: downgrade or apply the listed mitigation; sacred: downgrade or apply the listed mitigation; the settlersheritage of kings: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-0906 being exploited?

CVE-2005-0906 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-2005-0906 affect?

CVE-2005-0906 affects tincat, sacred, the settlersheritage of kings. Severity is high (CVSS 7.5). Buffer overflow in a player logging function in the Tincat network library 2.x before 2.0.28, as used in games such as Sacred and The Settlers: Heritage of Kings, allows remote attackers to execute arbitrary code.

How urgent is CVE-2005-0906?

Priority 54/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

References

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