CVE-2009-10006
CVE-2009-10006 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.
Key facts
- Severity: Critical (CVSS 4.0 base score 9.3)
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2009-5118
- Weakness: CWE-121
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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. 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.
- How severe is CVE-2009-10006?
- CVE-2009-10006 has a CVSS 4.0 base score of 9.3, rated critical severity.
- Is CVE-2009-10006 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2009-10006?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2009-10006 have an EU (EUVD) identifier?
- Yes. CVE-2009-10006 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2009-5118.
- When was CVE-2009-10006 published?
- CVE-2009-10006 was published on 2025-08-22 and last updated on 2026-06-16.
References
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/osx/misc/ufo_ai.rb
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/misc/ufo_ai.rb
- https://www.exploit-db.com/exploits/14013
- https://www.exploit-db.com/exploits/16864
- https://www.moddb.com/news/ufo-alien-invasion-231-released
- https://www.vulncheck.com/advisories/ufo-alien-invasion-irc-client-buffer-overflow
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