CVE-2017-12178

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.

Score

CVSS 3.0 9.8 Critical

Status

Modified - secalert@redhat.com

Published

2018-01-24

Last modified

2024-09-16

Weaknesses

CWE-20, CWE-391

Affected products

• Debian Linux (Debian)
• Xorg-x11-server (The X.org Foundation)
• X Server (X.org)

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1509219
• https://cgit.freedesktop.org/xorg/xserver/commit/?id=859b08d523307eebde7724fd1a0789c44813e821
• https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html
• https://security.gentoo.org/glsa/201711-05
• https://www.debian.org/security/2017/dsa-4000