Description
Multiple use-after-free vulnerabilities in OpenTTD 1.0.x before 1.0.5 allow (1) remote attackers to cause a denial of service (invalid write and daemon crash) by abruptly disconnecting during transmission of the map from the server, related to network/network_server.cpp; (2) remote attackers to cause a denial of service (invalid read and daemon crash) by abruptly disconnecting, related to network/network_server.cpp; and (3) remote servers to cause a denial of service (invalid read and application crash) by forcing a disconnection during the join process, related to network/network.cpp.
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 | openttd | 1.0.4-3 | — |
| Debian 13 | openttd | 1.0.4-3 | — |
| Debian 12 | openttd | 1.0.4-3 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | openttd | 1.6.1-1.1 | openSUSE-SU-2024:10563-1 |
Advisories 1
- openSUSE-SU-2024:10563-1 openttd-1.6.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 42578 third-party-advisory
- ADV-2010-2985 vdb-entry
- http://security.openttd.org/en/CVE-2010-4168
- FEDORA-2010-18572 vendor-advisory
- [oss-security] 20101115 Re: CVE request for OpenTTD mailing-list
- http://security.openttd.org/en/patch/28.patch
- http://vcs.openttd.org/svn/changeset/21182
- 44844 vdb-entry
- FEDORA-2010-18571 vendor-advisory
- [oss-security] 20101114 CVE request for OpenTTD mailing-list
- ADV-2010-3199 vdb-entry