Ioquake3 is a widely forked open-source game engine derived from Quake III Arena that has accumulated a persistent vulnerability footprint despite its modestly scoped codebase. The engine's vulnerabilities skew toward serious outcomes and concentrate around input validation, memory-buffer boundary issues, and symlink-following conditions typical of legacy C codebases that process untrusted game assets and network input. Defenders using or maintaining forks of this engine should prioritize patches addressing memory-safety and file-handling boundaries; current severity and exploitation activity are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Ioquake3 over time
Signals from CVEs in this vendor scope (7 CVEs).
7 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2011-2764HIGH 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 ioUrban | Aug 4, 2011 | 10.0 | 34 | NO | NO |
CVE-2011-3012HIGH The ioQuake3 engine, as used in World of Padman 1.2 and earlier, Tremulous 1.1.0, and ioUrbanTerror 2007-12-20, does not check for dangerous file extensions before writing to the q | Aug 9, 2011 | 10.0 | 33 | NO | NO |
CVE-2017-11721CRITICAL Buffer overflow in ioquake3 before 2017-08-02 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted packe | Aug 3, 2017 | 9.8 | 25 | NO | NO |
CVE-2017-6903HIGH In ioquake3 before 2017-03-14, the auto-downloading feature has insufficient content restrictions. This also affects Quake III Arena, OpenArena, OpenJK, iortcw, and other id Tech 3 | Mar 14, 2017 | 7.8 | 25 | NO | NO |
CVE-2010-5077HIGH server/sv_main.c in Quake3 Arena, as used in ioquake3 before r1762, OpenArena, Tremulous, and other products, allows remote attackers to cause a denial of service (network traffic | Oct 27, 2014 | 7.8 | 25 | NO | NO |
CVE-2011-1412HIGH sys/sys_unix.c in the ioQuake3 engine on Unix and Linux, as used in World of Padman 1.5.x before 1.5.1.1 and OpenArena 0.8.x-15 and 0.8.x-16, allows remote game servers to execute | Aug 4, 2011 | 7.5 | 24 | NO | NO |
CVE-2012-3345MEDIUM ioquake3 before r2253 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/ioq3.pid temporary file. | Jun 15, 2012 | 5.6 | 19 | NO | NO |
Signals from CVEs in this vendor scope (7 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Ioquake3.
Media articles that mention a CVE ID that affects a product developed by Ioquake3 — matched by CVE ID, not by vendor name.