PostgreSQL is vulnerable to remote code execution (RCE). It did not use search_path safely in their installation script. An attacker with sufficient privileges could use this flaw to trick an administrator into executing a specially crafted script, during the installation or update of such extension.
lists.opensuse.org/opensuse-security-announce/2020-08/msg00043.html
lists.opensuse.org/opensuse-security-announce/2020-08/msg00044.html
lists.opensuse.org/opensuse-security-announce/2020-08/msg00049.html
lists.opensuse.org/opensuse-security-announce/2020-08/msg00050.html
lists.opensuse.org/opensuse-security-announce/2020-09/msg00003.html
lists.opensuse.org/opensuse-security-announce/2020-09/msg00008.html
bugzilla.redhat.com/show_bug.cgi?id=1865746
lists.debian.org/debian-lts-announce/2020/08/msg00028.html
security.gentoo.org/glsa/202008-13
security.netapp.com/advisory/ntap-20200918-0002/
usn.ubuntu.com/4472-1/