CLSA-2022-1654174467 Fix CVE(s): CVE-2021-33582

SECURITY UPDATE: String hashing algorithm collisions - debian/patches/CVE-2021-33582-pre.patch: gracefully handle lookup on zero-sized tables - debian/patches/CVE-2021-33582-1.patch: replace ad-hoc algorithm with seeded djb2 in strhash - debian/patches/CVE-2021-33582-2.patch: use a seed when...