CVE-2006-3789: Multiple array index errors in the (1) recv_rules, (2) recv_select_unit, (3) recv_options, and (4) recv_unit_d

Q: How do I fix CVE-2006-3789?

ufo2000: upgrade to newer than svn_1057. Exact commands for each OS are on this page.

Q: Is CVE-2006-3789 being exploited?

CVE-2006-3789 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-2006-3789 affect?

CVE-2006-3789 affects ufo2000. Severity is high (CVSS 7.5). Multiple array index errors in the (1) recv_rules, (2) recv_select_unit, (3) recv_options, and (4) recv_unit_data functions in multiplay.cpp in UFO2000 svn 1057 allow remote attackers to execute arbitrary code and cause a denial of service

Q: How urgent is CVE-2006-3789?

Priority 49/100. High severity; EPSS top 9%: very likely to be exploited

This month

HIGH 7.5UPGRADE

CVE-2006-3789 is a high-severity flaw (CVSS 7.5) affecting ufo2000. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple array index errors in the (1) recv_rules, (2) recv_select_unit, (3) recv_options, and (4) recv_unit_data functions in multiplay.cpp in UFO2000 svn 1057 allow remote attackers to execute arbitrary code and cause a denial of service (opponent crash) via certain packet data that specifies an out-of-bounds index.

Why this priority

High severity
EPSS top 9%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Published	2006-07-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ufo2000

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

Am I affected?

Timeline

2006-07-24 12:19 UTCPublished CVE record published
2026-06-16 22:27 UTCUpdated Record last modified

ufo2000 ufo2000 UPGRADE

Affected: <= svn_1057

Fixed in: newer than svn_1057

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ufo2000 || rpm -q ufo2000 || ufo2000 --version

2. UPGRADE to newer than svn_1057 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ufo2000

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ufo2000

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-2006-3789?

ufo2000: upgrade to newer than svn_1057. Exact commands for each OS are on this page.

Is CVE-2006-3789 being exploited?

CVE-2006-3789 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-2006-3789 affect?

CVE-2006-3789 affects ufo2000. Severity is high (CVSS 7.5). Multiple array index errors in the (1) recv_rules, (2) recv_select_unit, (3) recv_options, and (4) recv_unit_data functions in multiplay.cpp in UFO2000 svn 1057 allow remote attackers to execute arbitrary code and cause a denial of service

How urgent is CVE-2006-3789?

Priority 49/100. High severity; EPSS top 9%: very likely to be exploited

Related CVEs

CVE-2006-3792 HIGH 7.5 UPGRADE SQL injection vulnerability in ServerClientUfo::recv_packet in server_protocol.cpp in UFO2000 svn 1057 allows
CVE-2006-3791 MEDIUM 5.0 UPGRADE The decode_stringmap function in server_transport.cpp for UFO2000 svn 1057 allows remote attackers to cause a
CVE-2006-3790 MEDIUM 5.0 UPGRADE The decode_stringmap function in server_transport.cpp for UFO2000 svn 1057 allows remote attackers to cause a
CVE-2006-3788 HIGH 7.5 UPGRADE Multiple buffer overflows in multiplay.cpp in UFO2000 svn 1057 allow remote attackers to execute arbitrary cod

References

← Back to latest CVEs