This update for libsolv fixes the following issues: Security issues fixed: - CVE-2019-20387: Fixed heap-buffer-overflow in repodata_schema2id - CVE-2021-3200: testcase_read: error out if repos are added or the system is changed too late Other issues fixed: - backport support for blacklisted packages to support ptf packages and retracted patches - fix ruleinfo of complex dependencies returning the wrong origin - fix SOLVER_FLAG_FOCUS_BEST updateing packages without reason - fix add_complex_recommends selecting conflicted packages in rare cases - fix potential segfault in resolve_jobrules - fix solv_zchunk decoding error if large chunks are used