Package "xserver-xorg-core"

  xorg-server (2:21.1.12-1ubuntu1.5) noble-security; urgency=medium

  * SECURITY UPDATE: Use-after-free in XPresentNotify structures creation
    - debian/patches/CVE-2025-62229.patch: fix use-after-free in
      present/present_notify.c.
    - CVE-2025-62229
  * SECURITY UPDATE: Use-after-free in Xkb client resource removal
    - debian/patches/CVE-2025-62230-1.patch: make the RT_XKBCLIENT resource
      private in xkb/xkb.c, include/xkbsrv.h.
    - debian/patches/CVE-2025-62230-2.patch: free the XKB resource when
      freeing XkbInterest in xkb/xkbEvents.c.
    - CVE-2025-62230
  * SECURITY UPDATE: Value overflow in Xkb extension XkbSetCompatMap()
    - debian/patches/CVE-2025-62231.patch: prevent overflow in xkb/xkb.c.
    - CVE-2025-62231

 -- Marc Deslauriers <email address hidden> Thu, 23 Oct 2025 13:29:50 -0400

  xorg-server (2:21.1.12-1ubuntu1.4) noble-security; urgency=medium

  * SECURITY UPDATE: Out-of-bounds access in X Rendering extension
    - debian/patches/CVE-2025-49175.patch: avoid 0 or less animated cursors
      in render/animcur.c, render/render.c.
    - CVE-2025-49175
  * SECURITY UPDATE: Integer overflow in Big Requests Extension
    - debian/patches/CVE-2025-49176.patch: do not overflow the integer size
      with BigRequest in dix/dispatch.c, os/io.c.
    - CVE-2025-49176
  * SECURITY UPDATE: Data leak in XFIXES Extension 6
    - debian/patches/CVE-2025-49177.patch: check request length for
      SetClientDisconnectMode in xfixes/disconnect.c.
    - CVE-2025-49177
  * SECURITY UPDATE: Unprocessed client request via bytes to ignore
    - debian/patches/CVE-2025-49178.patch: account for bytes to ignore when
      sharing input buffer in os/io.c.
    - CVE-2025-49178
  * SECURITY UPDATE: Integer overflow in X Record extension
    - debian/patches/CVE-2025-49179.patch: check for overflow in
      RecordSanityCheckRegisterClients() in record/record.c.
    - CVE-2025-49179
  * SECURITY UPDATE: Integer overflow in RandR extension
    - debian/patches/CVE-2025-49180-1.patch: check for overflow in
      RRChangeProviderProperty() in randr/rrproviderproperty.c.
    - debian/patches/CVE-2025-49180-2.patch: check for RandR provider
      functions in hw/xfree86/modes/xf86RandR12.c.
    - CVE-2025-49180

 -- Marc Deslauriers <email address hidden> Tue, 10 Jun 2025 14:21:45 -0400

  xorg-server (2:21.1.12-1ubuntu1.3) noble; urgency=medium

  * If a client application has not called DRI2ScreenInit(),
    DRI2Authenticate() and DRI2CreateDrawable2() cause the X server to
    crash. This patch adds some sanity checks to ensure the X server
    stays running. (LP: #1861609)
    - d/p/lp1861609-dri2-Protect-against-dri2ClientPrivate-assertio.patch

 -- Matthew Ruffell <email address hidden> Tue, 04 Mar 2025 17:58:03 +1300

  xorg-server (2:21.1.12-1ubuntu1.2) noble-security; urgency=medium

  * SECURITY UPDATE: Use-after-free of the root cursor
    - debian/patches/CVE-2025-26594-1.patch: refuse to free the root cursor
      in dix/dispatch.c.
    - debian/patches/CVE-2025-26594-2.patch: keep a ref to the rootCursor
      in dix/main.c.
    - CVE-2025-26594
  * SECURITY UPDATE: Buffer overflow in XkbVModMaskText()
    - debian/patches/CVE-2025-26595.patch: fix bounds check in
      xkb/xkbtext.c.
    - CVE-2025-26595
  * SECURITY UPDATE: Heap overflow in XkbWriteKeySyms()
    - debian/patches/CVE-2025-26596.patch: fix computation of
      XkbSizeKeySyms in xkb/xkb.c.
    - CVE-2025-26596
  * SECURITY UPDATE: Buffer overflow in XkbChangeTypesOfKey()
    - debian/patches/CVE-2025-26597.patch: also resize key actions in
      xkb/XKBMisc.c.
    - CVE-2025-26597
  * SECURITY UPDATE: Out-of-bounds write in CreatePointerBarrierClient()
    - debian/patches/CVE-2025-26598.patch: fix barrier device search in
      Xi/xibarriers.c.
    - CVE-2025-26598
  * SECURITY UPDATE: Use of uninitialized pointer in compRedirectWindow()
    - debian/patches/CVE-2025-26599-1.patch: handle failure to redirect in
      composite/compalloc.c.
    - debian/patches/CVE-2025-26599-2.patch: initialize border clip even
      when pixmap alloc fails in composite/compalloc.c.
    - CVE-2025-26599
  * SECURITY UPDATE: Use-after-free in PlayReleasedEvents()
    - debian/patches/CVE-2025-26600.patch: dequeue pending events on frozen
      device on removal in dix/devices.c.
    - CVE-2025-26600
  * SECURITY UPDATE: Use-after-free in SyncInitTrigger()
    - debian/patches/CVE-2025-26601-1.patch: do not let sync objects
      uninitialized in Xext/sync.c.
    - debian/patches/CVE-2025-26601-2.patch: check values before applying
      changes in Xext/sync.c.
    - debian/patches/CVE-2025-26601-3.patch: do not fail
      SyncAddTriggerToSyncObject() in Xext/sync.c.
    - debian/patches/CVE-2025-26601-4.patch: apply changes last in
      SyncChangeAlarmAttributes() in Xext/sync.c.
    - CVE-2025-26601

 -- Marc Deslauriers <email address hidden> Wed, 19 Feb 2025 08:44:27 -0500

  xorg-server (2:21.1.12-1ubuntu1.1) noble-security; urgency=medium

  * SECURITY UPDATE: Heap-based buffer overflow in _XkbSetCompatMap
    - debian/patches/CVE-2024-9632.patch: properly update size in
      xkb/xkb.c.
    - CVE-2024-9632

 -- Marc Deslauriers <email address hidden> Fri, 11 Oct 2024 10:21:58 -0400