Description
CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | teeworlds | 0.7.5-1 | — |
| Debian 13 | teeworlds | 0.7.5-1 | — |
| Debian 12 | teeworlds | 0.7.5-1 | — |
| Debian 10 | teeworlds | 0.7.2-5+deb10u1 | DSA-4763-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | teeworlds | 0.7.2-5ubuntu1.1 | USN-4553-1 |
| Ubuntu 18.04 LTS | teeworlds | No fix yet | — |
| Ubuntu 16.04 LTS | teeworlds | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP1 | teeworlds | 0.7.5-bp151.2.6.1 | openSUSE-SU-2020:0563-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | teeworlds | 0.7.5-2.9 | openSUSE-SU-2024:11427-1 |
| openSUSE Leap 15.1 | teeworlds | 0.7.5-lp151.2.6.1 | openSUSE-SU-2020:0557-1 |
Advisories 5
- USN-4553-1 teeworlds vulnerability Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4763-1 teeworlds - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2020:0557-1 Security update for teeworlds SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0563-1 Security update for teeworlds SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11427-1 teeworlds-0.7.5-2.9 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- https://www.teeworlds.com/forum/viewtopic.php?id=14785
- https://github.com/teeworlds/teeworlds/commit/c68402fa7e279d42886d5951d1ea8ac2facc1ea5
- openSUSE-SU-2020:0557 vendor-advisory
- openSUSE-SU-2020:0563 vendor-advisory
- FEDORA-2020-0d6b80678a vendor-advisory
- DSA-4763 vendor-advisory
- USN-4553-1 vendor-advisory