Red Hat: CVE-2021-31566: CVE-2021-31566 libarchive: symbolic links incorrectly followed when changing modes, times, ACL and flags of a file while extracting an archive (Multiple Advisories)

An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system.