CVE-2017-12186

unknown
Published — · Modified —
CVSS v3
CVSS v2
VIR risk

Description

xorg-x11-server before 1.19.5 was missing length validation in X-Resource extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

Predictions

Exploit likelihood
20%
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-2017-12186

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-12186.html

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed2:1.19.5-1
debian debianbullseyefixed2:1.19.5-1
debian debianforkyfixed2:1.19.5-1
debian debiansidfixed2:1.19.5-1
debian debiantrixiefixed2:1.19.5-1

References

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