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Debian Security Advisory DSA-4000-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
October 17, 2017 https://www.debian.org/security/faq
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Package : xorg-server
CVE ID : CVE-2017-12176 CVE-2017-12177 CVE-2017-12178 CVE-2017-12179
CVE-2017-12180 CVE-2017-12181 CVE-2017-12182 CVE-2017-12183
CVE-2017-12184 CVE-2017-12185 CVE-2017-12186 CVE-2017-12187
CVE-2017-13721 CVE-2017-13723

Several vulnerabilities have been discovered in the X.Org X server. An
attacker who’s able to connect to an X server could cause a denial of
service or potentially the execution of arbitrary code.

For the oldstable distribution (jessie), these problems have been fixed
in version 2:1.16.4-1+deb8u2.

For the stable distribution (stretch), these problems have been fixed in
version 2:1.19.2-1+deb9u2.

We recommend that you upgrade your xorg-server packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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