CVE-2021-32028

Description

A flaw was found in postgresql. Using an INSERT ... ON CONFLICT ... DO UPDATE command on a purpose-crafted table, an authenticated database user could read arbitrary bytes of server memory. The highest threat from this vulnerability is to data confidentiality.

How to fix CVE-2021-32028

To remediate CVE-2021-32028, upgrade the affected package to a fixed version below.

• Alpine/postgresql—upgrade to 11.12-r0 or later
• —upgrade to 13.3-r0 or later
• —upgrade to 13.3-r0 or later
• —upgrade to 13.3-r0 or later
• —upgrade to 9.6.22 or later
• —upgrade to 13.3-1 or later

Is CVE-2021-32028 being exploited?

Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.

Affected packages (6)

• from 0, < 11.12-r0
• from 0, < 13.3-r0
• from 0, < 13.3-r0
• from 0, < 13.3-r0
• >= 9.6.0, < 9.6.22, >= 10.0.0, < 10.17.0, >= 11.0.0, < 11.12.0, >= 12.0.0, < 12.7.0, >= 13.0.0, < 13.3.0
• from 0, < 13.3-1

CVSS scores

References (7)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2021-32028
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2021-32028
• WEBbugzilla.redhat.com/show_bug.cgi?id=1956877
• WEBnvd.nist.gov/vuln/detail/CVE-2021-32028
• WEB