[ubuntu/questing-security] xorg-server 2:21.1.18-1ubuntu1.1 (Accepted)

[Marc Deslauriers]

xorg-server (2:21.1.18-1ubuntu1.1) questing-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

Date: 2025-10-23 18:23:38.919996+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.18-1ubuntu1.1
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