microsoft / microsoft/SysmonForLinux
Libxml2 Compatibility Issue in Ubuntu 25.10
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Since Dec 6, 2025.
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Description
Describe the bug
Unable to install on Ubuntu 25.10 due to libxml2 dependency issues:
Unsatisfied dependencies:
sysmonforlinux : Depends: libxml2 (>= 2.7.4) but it is not installable
Error: Unable to satisfy dependencies. Reached two conflicting decisions:
1. sysmonforlinux:amd64=1.4.0 is selected for install
2. sysmonforlinux:amd64 Depends libxml2 (>= 2.7.4)
but none of the choices are installable:
[no choices]
To Reproduce
sudo apt install sysmonforlinux
Sysmon version
1.4.0
Distro/kernel version
Ubuntu Desktop 25.10, kernel 6.17.0-7-generic
Sysmon configuration
N/A
Logs
N/A
Expected behavior
Successful installation.
Additional context
Possibly due to libxml2 API changes discussed here: https://discourse.ubuntu.com/t/psa-ubuntu-25-10-features-a-libxml2-version-with-api-breaking-changes/71783
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