You have installed (most probably a downloaded .deb) libssl0.9.8 version 0.9.8c-4ubuntu0.2. Since you don't seem to have the feisty-security or feisty-updates repository available in /etc/apt/sources.list, trying to install libssl-dev will install the latest available version from the feisty repository (0.9.8c-4build1) which is incompatible with the version of libssl installed. You should either install the libssl from the feisty repository or install the libssl-dev from the feisty-updates or feisty-security repositories (the latter preferable if you want the security fixes).
** Changed in: openssl (Ubuntu) Status: New => Invalid -- libssl-dev uninstallable in feisty https://bugs.launchpad.net/bugs/159122 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs