CVE-2017-12178
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 4.2%
exploitation probability
4.2%top 10% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
The X.Org Foundation · xorg-x11-serverReferences
https://bugzilla.redhat.com/show_bug.cgi?id=1509219https://cgit.freedesktop.org/xorg/xserver/commit/?id=859b08d523307eebde7724fd1a0789c44813e821https://lists.debian.org/debian-lts-announce/2017/11/msg00032.htmlhttps://security.gentoo.org/glsa/201711-05https://www.debian.org/security/2017/dsa-4000