CVE-2021-32028

6.5 mediumEPSS 1.6%

Medium (6.5) in postgresql postgresql. EPSS 1.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2021-10-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

postgresql:postgresql

References

https://bugzilla.redhat.com/show_bug.cgi?id=1956877
https://security.gentoo.org/glsa/202211-04
https://security.netapp.com/advisory/ntap-20211112-0003/
https://www.postgresql.org/support/security/CVE-2021-32028
https://bugzilla.redhat.com/show_bug.cgi?id=1956877

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