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Package "xserver-xephyr"

Name: xserver-xephyr

Description:

nested X server
Latest version: 2:21.1.18-1ubuntu1.1
Release: questing (25.10)
Level: updates
Repository: universe
Head package: xorg-server
Homepage: https://www.x.org/

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Other versions of "xserver-xephyr" in Questing

Repository Area Version
base universe 2:21.1.18-1ubuntu1
security universe 2:21.1.18-1ubuntu1.1

Changelog

Version: 2:21.1.18-1ubuntu1.1 2025-10-31 04:07:31 UTC

  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

 -- Marc Deslauriers <email address hidden> Thu, 23 Oct 2025 13:18:34 -0400
CVE-2025-62229 A flaw was found in the X.Org X server and Xwayland when processing X1 ...
CVE-2025-62230 A flaw was discovered in the X.Org X server\u2019s X Keyboard (Xkb) ex ...
CVE-2025-62231 A flaw was identified in the X.Org X server\u2019s X Keyboard (Xkb) ex ...


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