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CVE-2011-2764

The FS_CheckFilenameIsNotExecutable function in qcommon/files.c in the ioQuake3 engine 1.36 and...

10.0 HighFix available

The FS_CheckFilenameIsNotExecutable function in qcommon/files.c in the ioQuake3 engine 1.36 and earlier, as used in World of Padman, Smokin' Guns, OpenArena, Tremulous, and ioUrbanTerror, does not properly determine dangerous file extensions, which allows remote attackers to execute arbitrary code via a crafted third-party addon that creates a Trojan horse DLL file.

Exploit likelihood

8.69%Down 2.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 10.0

The FS_CheckFilenameIsNotExecutable function in qcommon/files.c in the ioQuake3 engine 1.36 and earlier, as used in World of Padman, Smokin' Guns, OpenArena, Tremulous, and ioUrbanTerror, does not properly determine dangerous file extensions, which allows remote attackers to execute arbitrary code via a crafted third-party addon that creates a Trojan horse DLL file.

Record
CVE-2011-2764
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

The FS_CheckFilenameIsNotExecutable function in qcommon/files.c in the ioQuake3 engine 1.36 and earlier, as used in World of Padman, Smokin' Guns, OpenArena, Tremulous, and ioUrbanTerror, does not properly determine dangerous file extensions, which allows remote attackers to execute arbitrary code via a crafted third-party addon that creates a Trojan horse DLL file.

Record
CVE-2011-2764
Updated
2026-11-02
EUVDEUVD-2011-2739 No score

The FS_CheckFilenameIsNotExecutable function in qcommon/files.c in the ioQuake3 engine 1.36 and earlier, as used in World of Padman, Smokin' Guns, OpenArena, Tremulous, and ioUrbanTerror, does not properly determine dangerous file extensions, which allows remote attackers to execute arbitrary code via a crafted third-party addon that creates a Trojan horse DLL file.

Record
EUVD-2011-2739
Updated
2026-11-03
GitHub AdvisoriesGHSA-2qjf-gm4f-4hxc No score

The FS_CheckFilenameIsNotExecutable function in qcommon/files.c in the ioQuake3 engine 1.36 and...

The FS_CheckFilenameIsNotExecutable function in qcommon/files.c in the ioQuake3 engine 1.36 and earlier, as used in World of Padman, Smokin' Guns, OpenArena, Tremulous, and ioUrbanTerror, does not properly determine dangerous file extensions, which allows remote attackers to execute arbitrary code via a crafted third-party addon that creates a Trojan horse DLL file.

Record
GHSA-2qjf-gm4f-4hxc
Weakness
CWE-20
Updated
2026-11-02
OSV No score

The FS_CheckFilenameIsNotExecutable function in qcommon/files.c in the ioQuake3 engine 1.36 and earlier, as used in World of Padman, Smokin' Guns, OpenArena, Tremulous, and ioUrbanTerror, does not properly determine dangerous file extensions, which allows remote attackers to execute arbitrary code via a crafted third-party addon that creates a Trojan horse DLL file.

Record
CVE-2011-2764
Updated
2026-11-02
OSVDEBIAN-CVE-2011-2764 No score

The FS_CheckFilenameIsNotExecutable function in qcommon/files.c in the ioQuake3 engine 1.36 and earlier, as used in World of Padman, Smokin' Guns, OpenArena, Tremulous, and ioUrbanTerror, does not properly determine dangerous file extensions, which allows remote attackers to execute arbitrary code via a crafted third-party addon that creates a Trojan horse DLL file.

Record
DEBIAN-CVE-2011-2764
Updated
2026-11-02
OSVUBUNTU-CVE-2011-2764 No score

The FS_CheckFilenameIsNotExecutable function in qcommon/files.c in the ioQuake3 engine 1.36 and earlier, as used in World of Padman, Smokin' Guns, OpenArena, Tremulous, and ioUrbanTerror, does not properly determine dangerous file extensions, which allows remote attackers to execute arbitrary code via a crafted third-party addon that creates a Trojan horse DLL file.

Record
UBUNTU-CVE-2011-2764
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ioquake3
Debian:12
 before 1.36+svn1946-4
1.36+svn1946-4
ioquake3
Debian:13
 before 1.36+svn1946-4
1.36+svn1946-4
ioquake3
Debian:14
 before 1.36+svn1946-4
1.36+svn1946-4
openarena
Debian:12
 before 0.8.5-5+exp1
0.8.5-5+exp1
openarena
Debian:13
 before 0.8.5-5+exp1
0.8.5-5+exp1
openarena
Debian:14
 before 0.8.5-5+exp1
0.8.5-5+exp1
openarena
Ubuntu:16.04:LTS
 All versions, plus listed versions
0.8.8-140.8.8-15
 None known
openarena
Ubuntu:18.04:LTS
 All versions, plus listed versions
0.8.8-190.8.8-200.8.8+dfsg-1
 None known
openarena
Ubuntu:20.04:LTS
 All versions, plus listed versions
0.8.8+dfsg-20.8.8+dfsg-3
 None known
openarena
Ubuntu:22.04:LTS
 All versions, plus listed versions
0.8.8+dfsg-5
 None known
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Affected packages
PackageAffectedFixed
openarena
Ubuntu:24.04:LTS
 All versions, plus listed versions
0.8.8+dfsg-60.8.8+dfsg-7
 None known
openarena
Ubuntu:25.10
 All versions, plus listed versions
0.8.8+dfsg-80.8.8+dfsg-10
 None known
openarena
Ubuntu:26.10
 All versions, plus listed versions
0.8.8+dfsg-110.8.8+dfsg-13
 None known
openarena
Ubuntu:26.04:LTS
 All versions, plus listed versions
0.8.8+dfsg-100.8.8+dfsg-11
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-2764 is a high vulnerability (CVSS 10.0) in Ioquake3 Engine, published August 4, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 8.69%, the 95th percentile. Fixed in ioquake3 1.36+svn1946-4.

References

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