Yes; feisty isn't mentioned in the advisory because it isn't a "stable" released version. When a security fix is produced for the stable releases, it is also verified to be fixed in the current development release.
-- AWStats 6.5 has several vulnerabilities https://launchpad.net/bugs/91575 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs