CVE-2006-0771: Format string vulnerability in PunkBuster 1.180 and earlier, as used by Soldier of Fortune II and possibly oth

Q: How do I fix CVE-2006-0771?

punkbuster: upgrade to newer than 1.180. Exact commands for each OS are on this page.

Q: Is CVE-2006-0771 being exploited?

CVE-2006-0771 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-2006-0771 affect?

CVE-2006-0771 affects punkbuster. Severity is medium (CVSS 6.4). Format string vulnerability in PunkBuster 1.180 and earlier, as used by Soldier of Fortune II and possibly other games, allows remote attackers to cause a denial of service (server crash) and possibly execute arbitrary code via format strin

Q: How urgent is CVE-2006-0771?

Priority 44/100. No elevated risk signals yet.

This month

MEDIUM 6.4UPGRADE

CVE-2006-0771 is a medium-severity flaw (CVSS 6.4) affecting punkbuster. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Format string vulnerability in PunkBuster 1.180 and earlier, as used by Soldier of Fortune II and possibly other games, allows remote attackers to cause a denial of service (server crash) and possibly execute arbitrary code via format string specifiers in invalid cvar values, which are not properly handled when the server kicks the player and records the reason.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Weakness	CWE-134
Published	2006-02-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: even balance

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

Am I affected?

Timeline

2006-02-18 21:02 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

even balance punkbuster UPGRADE

Affected: <= 1.180

Fixed in: newer than 1.180

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.180 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade punkbuster

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-2006-0771?

punkbuster: upgrade to newer than 1.180. Exact commands for each OS are on this page.

Is CVE-2006-0771 being exploited?

CVE-2006-0771 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-2006-0771 affect?

CVE-2006-0771 affects punkbuster. Severity is medium (CVSS 6.4). Format string vulnerability in PunkBuster 1.180 and earlier, as used by Soldier of Fortune II and possibly other games, allows remote attackers to cause a denial of service (server crash) and possibly execute arbitrary code via format strin

How urgent is CVE-2006-0771?

Priority 44/100. No elevated risk signals yet.

Related CVEs

CVE-2020-26037 CRITICAL 9.8 UPGRADE Directory Traversal vulnerability in Server functionalty in Even Balance Punkbuster version 1.902 before 1.905
CVE-2009-3924 HIGH 9.3 MITIGATE UPGRADE Buffer overflow in pbsv.dll, as used in Soldier of Fortune II and possibly other applications when Even Balanc
CVE-2006-2587 MEDIUM 5.0 DOWNGRADE Buffer overflow in the WebTool HTTP server component in (1) PunkBuster before 1.229, as used by multiple produ

References

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