CVE-2006-1103: engine/server.cpp in Sauerbraten 2006_02_28, as derived from the Cube engine, allows remote attackers to cause

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MEDIUM 5.0DOWNGRADEDOWNGRADE

CVE-2006-1103 is a medium-severity flaw (CVSS 5.0) affecting cube, sauerbraten. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

engine/server.cpp in Sauerbraten 2006_02_28, as derived from the Cube engine, allows remote attackers to cause a denial of service (segmentation fault) via a client that does not completely join the game and times out, which results in a null pointer dereference.

Why this priority

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

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	7.2% (top 6%)
CISA exploited list	No
Published	2006-03-09
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sauerbraten

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

Am I affected?

Timeline

2006-03-09 13:06 UTCPublished CVE record published
2026-06-16 22:22 UTCUpdated Record last modified

sauerbraten cube DOWNGRADE

Affected: 2005-08-09

Fixed in: no fixed release known

Safe to downgrade to: a release before 2005-08-09

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2005-08-09 (Debian / Ubuntu)

apt-cache madison cube sudo apt install cube=<VERSION_BEFORE_2005-08-09> sudo apt-mark hold cube

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

dnf --showduplicates list cube sudo dnf downgrade cube-<VERSION_BEFORE_2005-08-09> sudo dnf versionlock add cube

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.

sauerbraten sauerbraten DOWNGRADE

Affected: 2006-02-28

Fixed in: no fixed release known

Safe to downgrade to: a release before 2006-02-28

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2006-02-28 (Debian / Ubuntu)

apt-cache madison sauerbraten sudo apt install sauerbraten=<VERSION_BEFORE_2006-02-28> sudo apt-mark hold sauerbraten

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

dnf --showduplicates list sauerbraten sudo dnf downgrade sauerbraten-<VERSION_BEFORE_2006-02-28> sudo dnf versionlock add sauerbraten

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: Sauerbraten 2006_02_28 - Multiple Buffer Overflow / Crash

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-2006-1103?

cube: downgrade or apply the listed mitigation; sauerbraten: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-1103 being exploited?

CVE-2006-1103 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-2006-1103 affect?

CVE-2006-1103 affects cube, sauerbraten. Severity is medium (CVSS 5.0). engine/server.cpp in Sauerbraten 2006_02_28, as derived from the Cube engine, allows remote attackers to cause a denial of service (segmentation fault) via a client that does not completely join the game and times out, which results in a nu

How urgent is CVE-2006-1103?

Priority 46/100. EPSS top 6%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2006-1102 MEDIUM 5.0 DOWNGRADE DOWNGRADE Sauerbraten 2006_02_28, as derived from the Cube engine, allows remote attackers to cause a denial of service
CVE-2006-1101 MEDIUM 5.0 DOWNGRADE DOWNGRADE The (1) sgetstr and (2) getint functions in Sauerbraten 2006_02_28, as derived from the Cube engine, allow rem
CVE-2006-1100 HIGH 7.5 DOWNGRADE DOWNGRADE Buffer overflow in the sgetstr function in shared/cube.h in Sauerbraten 2006_02_28 and earlier, as derived fro

References

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