It seems it is a glibc bug: https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/1352504
A workaround (for me) is to deactivate nscd with: /etc/init.d/nscd stop Now "apt-get update" is working again. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1352876 Title: "apt-get update" crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1352876/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs