CVE-2021-43518: Fedoraproject Fedora

High severity, CVSS 7.8. EPSS: 1.4% chance of exploitation in the next 30 days.

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.

Affected products

• Fedoraproject Fedora: version 35 only; version 36 only
• Teeworlds Teeworlds: up to and including 0.7.5

Published 2021-12-15. Last modified 2026-06-17.