CVE-2017-12178

Description

xorg-x11-server before 1.19.5 had wrong extra length check in ProcXIChangeHierarchy function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

References

https://www.debian.org/security/2017/dsa-4000

https://security.gentoo.org/glsa/201711-05

https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html

https://cgit.freedesktop.org/xorg/xserver/commit/?id=859b08d523307eebde7724fd1a0789c44813e821

https://bugzilla.redhat.com/show_bug.cgi?id=1509219

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3