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CVE-2017-12176

CVE-2017-12176

EPSS 4.2%CWE-391
xorg-x11-server before 1.19.5 was missing extra length validation in ProcEstablishConnection function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Affected products
The X.Org Foundation · xorg-x11-server

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References
https://bugzilla.redhat.com/show_bug.cgi?id=1509214https://cgit.freedesktop.org/xorg/xserver/commit/?id=b747da5e25be944337a9cd1415506fc06b70aa81https://lists.debian.org/debian-lts-announce/2017/11/msg00032.htmlhttps://security.gentoo.org/glsa/201711-05https://www.debian.org/security/2017/dsa-4000