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[Bug 2112611] [NEW] ssh -X and ssh -Y does not work to non-ESM enabled servers iin 22.04

 

Public bug reported:

Until recently I have been able to ssh -X to my machines and run X applications such as synaptic remotely.
Within the last two days this broke and I am not 100% sure if it is an issue with xauth or ssh but it will not start X forwarding, debugging just says it fails without much info.  However, it works on all ESM enabled machines.  These are all Ubuntu 24.04.  The only difference I can see is some of the libs that xauth uses appear to be different.  But I don't know the root cause, I just know it was working until recently and now it doesn't.

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: ssh (not installed)
Uname: Linux 6.15.0 x86_64
ApportVersion: 2.28.1-0ubuntu3.6
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: MATE
Date: Thu Jun  5 20:46:47 2025
SourcePackage: openssh
UpgradeStatus: Upgraded to noble on 2024-10-05 (244 days ago)

** Affects: openssh (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug noble

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https://bugs.launchpad.net/bugs/2112611

Title:
  ssh -X and ssh -Y does not work to non-ESM enabled servers iin 22.04

Status in openssh package in Ubuntu:
  New

Bug description:
  Until recently I have been able to ssh -X to my machines and run X applications such as synaptic remotely.
  Within the last two days this broke and I am not 100% sure if it is an issue with xauth or ssh but it will not start X forwarding, debugging just says it fails without much info.  However, it works on all ESM enabled machines.  These are all Ubuntu 24.04.  The only difference I can see is some of the libs that xauth uses appear to be different.  But I don't know the root cause, I just know it was working until recently and now it doesn't.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: ssh (not installed)
  Uname: Linux 6.15.0 x86_64
  ApportVersion: 2.28.1-0ubuntu3.6
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: MATE
  Date: Thu Jun  5 20:46:47 2025
  SourcePackage: openssh
  UpgradeStatus: Upgraded to noble on 2024-10-05 (244 days ago)

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