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Vulnerabilities

Vulnerability · CVE-2009-10006

UFO: Alien Invasion versions up to and including 2.2.1 contain a buffer overflow vulnerability in its built-in IRC client component.

Published Aug 22, 2025 · catalog updated May 15, 2026 · UFO: Alien Invasion Project UFO: Alien Invasion

Check if you run it

No confirmed exploitation is on record for CVE-2009-10006. EPSS is 1.24%. Act only if a listed version of UFO: Alien Invasion Project UFO: Alien Invasion is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.24%
Remediation
Vendor / distro source
Affected products
vendor UFO: Alien Invasion Project UFO: Alien Invasion 0 ≤2.2.1

UFO: Alien Invasion versions up to and including 2.2.1 contain a buffer overflow vulnerability in its built-in IRC client component. When the client connects to an IRC server and receives a crafted numeric reply (specifically a 001 message), the application fails to properly validate the length of the response string. This results in a stack-based buffer overflow, which may corrupt control flow structures and allow arbitrary code execution. The vulnerability is triggered during automatic IRC connection handling and does not require user interaction beyond launching the game.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor UFO: Alien Invasion Project UFO: Alien Invasion 0 ≤2.2.10 ≤2.2.1

How to fix CVE-2009-10006

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2009-10006. EPSS is 1.24%. Act only if a listed version of UFO: Alien Invasion Project UFO: Alien Invasion is installed.

Which versions are affected?

Compare what you have installed with UFO: Alien Invasion Project UFO: Alien Invasion 0 ≤2.2.1 0 ≤2.2.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.24%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 22, 2025 · EUVD

    Detected

    UFO: Alien Invasion versions up to and including 2.2.1 contain a buffer overflow vulnerability in its built-in IRC client component. When the client connects to an IRC server and receives a crafted numeric reply (specifically a 001 message), the application fails to properly validate the length of the response string. This results in a stack-based buffer overflow, which may corrupt control flow st

  2. May 15, 2026 · EUVD

    Updated

    UFO: Alien Invasion versions up to and including 2.2.1 contain a buffer overflow vulnerability in its built-in IRC client component. When the client connects to an IRC server and receives a crafted numeric reply (specifically a 001 message), the application fails to properly validate the length of the response string. This results in a stack-based buffer overflow, which may corrupt control flow st

Sources

  • CVE.orgVulnerability recordCVE-2009-10006

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2009-10006

    30-day exploitation probability 1.24%

    first.org
  • EUVDVulnerability recordEUVD-2009-5118

    UFO: Alien Invasion versions up to and including 2.2.1 contain a buffer overflow vulnerability in its built-in IRC client component. When the client connects to an IRC server and receives a crafted numeric reply (specifically a 001 message), the application fails to properly vali

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.