Looking at the the Debian changelog, the entire diff of 0.99.4-4 was the backporting of those security fixes. Merging the entirety of that diff into Edgy's current version is likely to be the best course of action.
-- wireshark 0.99.4 has security vulnerabilities (upgrade to wireshark 0.99.5) https://launchpad.net/bugs/86908 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
