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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: 2:1.19.6-1ubuntu4.15 2023-03-31 09:06:52 UTC

  xorg-server (2:1.19.6-1ubuntu4.15) bionic-security; urgency=medium

  * SECURITY UPDATE: Overlay Window Use-After-Free
    - debian/patches/CVE-2023-1393.patch: fix use-after-free of the COW in
      composite/compwindow.c.
    - CVE-2023-1393

 -- Marc Deslauriers <email address hidden> Wed, 29 Mar 2023 08:54:41 -0400
Source diff to previous version
CVE-2023-1393 A flaw was found in X.Org Server Overlay Window. A Use-After-Free may ...

Version: 2:1.19.6-1ubuntu4.14 2023-02-08 14:07:06 UTC

  xorg-server (2:1.19.6-1ubuntu4.14) bionic-security; urgency=medium

  * SECURITY UPDATE: DeepCopyPointerClasses use-after-free
    - debian/patches/CVE-2023-0494.patch: fix potential use-after-free in
      Xi/exevents.c.
    - CVE-2023-0494

 -- Marc Deslauriers <email address hidden> Tue, 07 Feb 2023 07:49:04 -0500
Source diff to previous version
CVE-2023-0494 Xi: fix potential use-after-free in DeepCopyPointerClasses

Version: 2:1.19.6-1ubuntu4.13 2022-12-15 10:07:16 UTC

  xorg-server (2:1.19.6-1ubuntu4.13) bionic-security; urgency=medium

  * SECURITY UPDATE: XTestSwapFakeInput stack overflow
    - debian/patches/CVE-2022-46340.patch: disallow GenericEvents in
      XTestSwapFakeInput in Xext/xtest.c.
    - CVE-2022-46340
  * SECURITY UPDATE: XIPassiveUngrabDevice out-of-bounds access
    - debian/patches/CVE-2022-46341.patch: disallow passive grabs with a
      detail > 255 in Xi/xipassivegrab.c.
    - CVE-2022-46341
  * SECURITY UPDATE: XvdiSelectVideoNotify use-after-free
    - debian/patches/CVE-2022-46342.patch: free the XvRTVideoNotify when
      turning off from the same client in Xext/xvmain.c.
    - CVE-2022-46342
  * SECURITY UPDATE: ScreenSaverSetAttributes use-after-free
    - debian/patches/CVE-2022-46343.patch: free the screen saver resource
      when replacing it in Xext/saver.c.
    - CVE-2022-46343
  * SECURITY UPDATE: XIChangeProperty out-of-bounds access
    - debian/patches/CVE-2022-46344-1.patch: return an error from XI
      property changes if verification failed in Xi/xiproperty.c.
    - debian/patches/CVE-2022-46344-2.patch: avoid integer truncation in
      length check of ProcXIChangeProperty in Xi/xiproperty.c.
    - CVE-2022-46344
  * SECURITY UPDATE: XkbGetKbdByName use-after-free
    - debian/patches/CVE-2022-4283.patch: reset the radio_groups pointer to
      NULL after freeing it in xkb/xkbUtils.c.
    - CVE-2022-4283

 -- Marc Deslauriers <email address hidden> Wed, 07 Dec 2022 09:08:39 -0500
Source diff to previous version
CVE-2022-46340 Xtest: disallow GenericEvents in XTestSwapFakeInput
CVE-2022-46341 Xi: disallow passive grabs with a detail > 255
CVE-2022-46342 Xext: free the XvRTVideoNotify when turning off from the same client
CVE-2022-46343 Xext: free the screen saver resource when replacing it
CVE-2022-46344 Xi: avoid integer truncation in length check of ProcXIChangeProperty
CVE-2022-4283 xkb: reset the radio_groups pointer to NULL after freeing it

Version: 2:1.19.6-1ubuntu4.12 2022-11-24 09:06:22 UTC

  xorg-server (2:1.19.6-1ubuntu4.12) bionic-security; urgency=medium

  * SECURITY UPDATE: GetCountedString Buffer Overflow
    - debian/patches/CVE-2022-3550.patch: add a check for client->req_len
      size for _GetCountedString in xkb/xkb.c.
    - CVE-2022-3550
  * SECURITY UPDATE: ProcXkbGetKbdByName Memory Leak
    - debian/patches/CVE-2022-3551.patch: add calls to free allocated
      memory if the execution reaches failures in ProcXkbGetKbdByName
      in xkb/xkb.c.
    - CVE-2022-3551

 -- Rodrigo Figueiredo Zaiden <email address hidden> Tue, 22 Nov 2022 11:21:35 -0300
Source diff to previous version
CVE-2022-3550 A vulnerability classified as critical was found in X.org Server. Affected by this vulnerability is the function _GetCountedString of the file xkb/xk
CVE-2022-3551 A vulnerability, which was classified as problematic, has been found in X.org Server. Affected by this issue is the function ProcXkbGetKbdByName of t

Version: 2:1.19.6-1ubuntu4.11 2022-07-12 16:06:20 UTC

  xorg-server (2:1.19.6-1ubuntu4.11) bionic-security; urgency=medium

  * SECURITY UPDATE: ProcXkbSetGeometry Out-Of-Bounds Access
    - debian/patches/CVE-2022-2319-pre1.patch: switch to array index loops
      to moving pointers in xkb/xkb.c.
    - debian/patches/CVE-2022-2319.patch: add request length validation for
      XkbSetGeometry in xkb/xkb.c.
    - CVE-2022-2319
  * SECURITY UPDATE: ProcXkbSetDeviceInfo Out-Of-Bounds Access
    - debian/patches/CVE-2022-2320.patch: swap XkbSetDeviceInfo and
      XkbSetDeviceInfoCheck in xkb/xkb.c.
    - CVE-2022-2320

 -- Marc Deslauriers <email address hidden> Wed, 06 Jul 2022 09:54:09 -0400
CVE-2022-2319 ZDI-CAN-16062: X.Org Server ProcXkbSetGeometry Out-Of-Bounds Access
CVE-2022-2320 ZDI-CAN-16070: X.Org Server ProcXkbSetDeviceInfo Out-Of-Bounds Access


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