CVE-2016-9400

critical
Published 2017-02-22 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

Description

The CClient::ProcessServerPacket method in engine/client/client.cpp in Teeworlds before 0.6.4 allows remote servers to write to arbitrary physical memory locations and possibly execute arbitrary code via vectors involving snap handling.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-9400

vendor Authored 2026-05-27

Vendor advisory: security@debian.org — https://www.teeworlds.com/?page=news&id=12086

vendor Authored 2026-05-27

Vendor advisory: security@debian.org — https://github.com/teeworlds/teeworlds/commit/ff254722a2683867fcb3e67569ffd36226c4bc62

vendor Authored 2026-05-27

Vendor advisory: security@debian.org — http://www.openwall.com/lists/oss-security/2016/11/17/8

vendor Authored 2026-05-27

Vendor advisory: security@debian.org — http://www.openwall.com/lists/oss-security/2016/11/16/8

OS impact

OSVersionStatusFixed in
fedora fedora23affected
debian debianbookwormfixed0.6.4+dfsg-1
debian debianbullseyefixed0.6.4+dfsg-1
debian debianforkyfixed0.6.4+dfsg-1
debian debiansidfixed0.6.4+dfsg-1
debian debiantrixiefixed0.6.4+dfsg-1

Application impact

VendorProductVersionsFixed
teeworldsteeworlds{"endExcluding":"0.6.4"}0.6.4

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.