Thanks for your bug report. The crash looks like a memory corruption. Could you try to get a valgrind log for it? (you can follow the instructions from https://wiki.ubuntu.com/Valgrind for that)
** Changed in: aptitude (Ubuntu) Importance: Undecided => Medium Status: Unconfirmed => Needs Info -- [apport] aptitude crashed with SIGSEGV in malloc() when starting up. https://launchpad.net/bugs/90047 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs