Updated: 11 October 2026 · Applies to: AlmaLinux 9, Rocky Linux 9, Ubuntu 24.04 and Debian 12
If yum crashes with "Segmentation fault", a common cause is a copy of libz or libxml2 compiled from source and installed in /usr/local/lib/, which yum then loads instead of the system library.
Fix (root)
- Look for them:
ls /usr/local/lib/ | grep -E "libz|libxml2" - Move them out of the way (do not delete until you know nothing needs them):
mkdir /root/usr-local-lib-backup mv /usr/local/lib/libz* /usr/local/lib/libxml2* /root/usr-local-lib-backup/ ldconfig
- Run
yumagain.
