High severity7.8NVD Advisory· Published Dec 15, 2021· Updated Jun 17, 2026
CVE-2021-43518
CVE-2021-43518
Description
Teeworlds up to and including 0.7.5 is vulnerable to Buffer Overflow. A map parser does not validate m_Channels value coming from a map file, leading to a buffer overflow. A malicious server may offer a specially crafted map that will overwrite client's stack causing denial of service or code execution.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
- Teeworlds/Teeworldsdescription
Patches
Vulnerability mechanics
References
4- github.com/teeworlds/teeworlds/issues/2981nvdExploitIssue TrackingThird Party Advisory
- mmmds.pl/fuzzing-map-parser-part-1-teeworlds/nvdExploitThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIYZ7EVY6NZBM7FQF6GVUARYO6MKSEAT/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OS2LI2RHQNUKUT3FKWYHRC27PLRWCHMZ/nvd
News mentions
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