Package "xserver-xephyr"

  xorg-server (2:1.18.4-0ubuntu0.7) xenial-security; urgency=medium

  * SECURITY UPDATE: unvalidated extra length in ProcEstablishConnection
    - debian/patches/CVE-2017-12176.patch: add check to dix/dispatch.c.
    - CVE-2017-12176
  * SECURITY UPDATE: Unvalidated variable-length request in
    ProcDbeGetVisualInfo
    - debian/patches/CVE-2017-12177.patch: add check to dbe/dbe.c.
    - CVE-2017-12177
  * SECURITY UPDATE: wrong extra length check in ProcXIChangeHierarchy
    - debian/patches/CVE-2017-12178.patch: fix length check in
      Xi/xichangehierarchy.c.
    - CVE-2017-12178
  * SECURITY UPDATE: integer overflow and unvalidated length in
    ProcXIBarrierReleasePointer
    - debian/patches/CVE-2017-12179-1.patch: test exact size of
      XIBarrierReleasePointer in Xi/xibarriers.c.
    - debian/patches/CVE-2017-12179-2.patch: add checks to Xi/xibarriers.c.
    - CVE-2017-12179
  * SECURITY UPDATE: various unvalidated lengths
    - debian/patches/CVE-2017-12180-12182.patch: add more checks to
      Xext/vidmode.c, hw/xfree86/common/xf86DGA.c,
      hw/xfree86/dri/xf86dri.c.
    - CVE-2017-12180
    - CVE-2017-12181
    - CVE-2017-12182
  * SECURITY UPDATE: more unvalidated lengths
    - debian/patches/CVE-2017-12183.patch: add checks to xfixes/cursor.c,
      xfixes/region.c, xfixes/saveset.c, xfixes/xfixes.c.
    - CVE-2017-12183
  * SECURITY UPDATE: even more unvalidated lengths
    - debian/patches/CVE-2017-12184-12187.patch: add more checks to
      Xext/panoramiX.c, Xext/saver.c, Xext/xres.c, Xext/xvdisp.c,
      hw/dmx/dmxpict.c, pseudoramiX/pseudoramiX.c, render/render.c.
    - CVE-2017-12184
    - CVE-2017-12185
    - CVE-2017-12186
    - CVE-2017-12187
  * debian/patches/os_big_requests.patch: make sure big requests have
    sufficient length in os/io.c.
  * debian/patches/xkb_escape_fix.patch: escape non-printable characters
    correctly in xkb/xkbtext.c.

 -- Marc Deslauriers <email address hidden> Fri, 13 Oct 2017 08:40:17 -0400

  xorg-server (2:1.18.4-0ubuntu0.6) xenial-security; urgency=medium

  * SECURITY UPDATE: DoS or segment overwrite via shmseg resource id
    - debian/patches/CVE-2017-13721.patch: validate shmseg resource id in
      Xext/shm.c.
    - CVE-2017-13721
  * SECURITY UPDATE: buffer overflow via XKB data
    - debian/patches/CVE-2017-13723.patch: handle xkb formatted string
      output safely in xkb/xkbtext.c.
    - CVE-2017-13723
  * This update does _not_ contain the changes from 2:1.18.4-0ubuntu0.5 in
    xenial-proposed.

 -- Marc Deslauriers <email address hidden> Wed, 11 Oct 2017 13:27:20 -0400

  xorg-server (2:1.18.4-0ubuntu0.4) xenial; urgency=medium

  * control: Build against libxfont1-dev. (LP: #1687981, #1707691)
  * disable-rotation-transform-gpuscreens.patch: Dropped, NVIDIA driver
    supports rotation now. (LP: #1706287)

 -- Timo Aaltonen <email address hidden> Mon, 26 Jun 2017 14:53:19 +0300

  xorg-server (2:1.18.4-0ubuntu0.3) xenial-security; urgency=medium

  * SECURITY UPDATE: DoS and possible code execution in endianness
    conversion of X Events
    - debian/patches/CVE-2017-10971-1.patch: do not try to swap
      GenericEvent in Xi/sendexev.c.
    - debian/patches/CVE-2017-10971-2.patch: verify all events in
      ProcXSendExtensionEvent in Xi/sendexev.c.
    - debian/patches/CVE-2017-10971-3.patch: disallow GenericEvent in
      SendEvent request in dix/events.c, dix/swapreq.c.
    - CVE-2017-10971
  * SECURITY UPDATE: information leak in XEvent handling
    - debian/patches/CVE-2017-10972.patch: zero target buffer in
      SProcXSendExtensionEvent in Xi/sendexev.c.
    - CVE-2017-10972
  * SECURITY UPDATE: MIT-MAGIC-COOKIES timing attack
    - debian/patches/CVE-2017-2624.patch: use timingsafe_memcmp() in
      configure.ac, include/dix-config.h.in, include/os.h,
      os/mitauth.c, os/timingsafe_memcmp.c.
    - CVE-2017-2624

 -- Marc Deslauriers <email address hidden> Mon, 17 Jul 2017 09:38:58 -0400

  xorg-server (2:1.18.4-0ubuntu0.2) xenial; urgency=medium

  * modesetting-unifdef-slave-support.diff: Fix modesetting slave output
    names. (LP: #1636397)

 -- Timo Aaltonen <email address hidden> Tue, 01 Nov 2016 10:08:51 +0200