https://ubuntu.com/security/notices/USN-7299-4

** Changed in: xorg-server (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/2102209

Title:
  xorg-server regression due CVE-2025-26601

Status in xorg-server package in Ubuntu:
  Fix Released

Bug description:
  == Summary ==

  The security update 7299-2 for esm-infra/xenial and bionic has/had an
  incomplete fix for the CVE-2025-26601.

  patch: e0f872207aa203adb85e825c311ed50fe3a3af60 was needed as it changes the 
behavior of some variables. 
  Backport done previously caused a regression. 

  Redoing the backports adding the commit mentioned fix the issue.

  After further investigation only: xorg-server and xorg-server-hwe-16.04 were 
affected. 
  xorg-server-hwe-18.04 was not affected and so the fixes for CVEs listed in 
7299-2 were re-applied.

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