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Package "xserver-xephyr"

Name: xserver-xephyr

Description:

nested X server
Latest version: 2:1.19.6-1ubuntu4.15
Release: bionic (18.04)
Level: security
Repository: main
Head package: xorg-server
Homepage: https://www.x.org/

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Other versions of "xserver-xephyr" in Bionic

Repository Area Version
base main 2:1.19.6-1ubuntu4
updates main 2:1.19.6-1ubuntu4.15

Changelog

Version: 2:1.19.6-1ubuntu4.10 2021-12-15 22:06:17 UTC

  xorg-server (2:1.19.6-1ubuntu4.10) bionic-security; urgency=medium

  * SECURITY UPDATE: SProcRenderCompositeGlyphs out-of-bounds access
    - debian/patches/CVE-2021-4008.patch: check lengths in render/render.c.
    - CVE-2021-4008
  * SECURITY UPDATE: SProcXFixesCreatePointerBarrier out-of-bounds access
    - debian/patches/CVE-2021-4009.patch: use sizes in xfixes/cursor.c.
    - CVE-2021-4009
  * SECURITY UPDATE: SwapCreateRegister out-of-bounds access
    - debian/patches/CVE-2021-4011.patch: fix length in record/record.c.
    - CVE-2021-4011

 -- Marc Deslauriers <email address hidden> Tue, 14 Dec 2021 09:31:10 -0500
Source diff to previous version
CVE-2021-4008 SProcRenderCompositeGlyphs out-of-bounds access
CVE-2021-4009 SProcXFixesCreatePointerBarrier out-of-bounds access
CVE-2021-4011 SProcXFixesCreatePointerBarrier out-of-bounds access

Version: 2:1.19.6-1ubuntu4.9 2021-04-13 16:06:27 UTC

  xorg-server (2:1.19.6-1ubuntu4.9) bionic-security; urgency=medium

  * SECURITY UPDATE: XChangeFeedbackControl Integer Underflow
    - debian/patches/CVE-2021-3472.patch: add check to Xi/chgfctl.c.
    - CVE-2021-3472

 -- Marc Deslauriers <email address hidden> Thu, 08 Apr 2021 08:30:56 -0400
Source diff to previous version
CVE-2021-3472 Fix XChangeFeedbackControl() request underflow

Version: 2:1.19.6-1ubuntu4.8 2020-12-01 17:07:36 UTC

  xorg-server (2:1.19.6-1ubuntu4.8) bionic-security; urgency=medium

  * SECURITY UPDATE: out of bounds memory accesses on too short request
    - debian/patches/CVE-2020-14360.patch: check SetMap request length
      carefully in xkb/xkb.c.
    - CVE-2020-14360
  * SECURITY UPDATE: multiple heap overflows
    - debian/patches/CVE-2020-25712.patch: add bounds checks in xkb/xkb.c.
    - CVE-2020-25712

 -- Marc Deslauriers <email address hidden> Mon, 30 Nov 2020 12:57:37 -0500
Source diff to previous version
CVE-2020-14360 Check SetMap request length carefully
CVE-2020-25712 Fix XkbSetDeviceInfo() and SetDeviceIndicators() heap overflows

Version: 2:1.19.6-1ubuntu4.6 2020-09-08 13:06:21 UTC

  xorg-server (2:1.19.6-1ubuntu4.6) bionic-security; urgency=medium

  * SECURITY UPDATE: Out-Of-Bounds access in XkbSetNames function
    - debian/patches/CVE-2020-14345.patch: correct bounds checking in
      xkb/xkb.c.
    - CVE-2020-14345

 -- Marc Deslauriers <email address hidden> Fri, 04 Sep 2020 09:34:59 -0400
Source diff to previous version

Version: 2:1.19.6-1ubuntu4.5 2020-09-02 14:06:19 UTC

  xorg-server (2:1.19.6-1ubuntu4.5) bionic-security; urgency=medium

  * SECURITY UPDATE: Integer underflow in the X input extension protocol
    - debian/patches/CVE-2020-14346.patch: properly calculate length in
      Xi/xichangehierarchy.c.
    - CVE-2020-14346
  * SECURITY UPDATE: server memory leak
    - debian/patches/CVE-2020-14347.patch: initialize memory in
      dix/pixmap.c.
    - CVE-2020-14347
  * SECURITY UPDATE: Integer Underflow Privilege Escalation
    - debian/patches/CVE-2020-14361.patch: fix dataLeft calculation in
      xkb/xkbSwap.c.
    - CVE-2020-14361
  * SECURITY UPDATE: Integer Underflow Privilege Escalation
    - debian/patches/CVE-2020-14362.patch: properly calculate lengths in
      record/record.c.
    - CVE-2020-14362

 -- Marc Deslauriers <email address hidden> Mon, 31 Aug 2020 10:18:59 -0400
CVE-2020-14347 A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg


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