All vulnerabilities

Servers and applications

CVE-2021-32028

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
Medium 6.5
Published
11 Oct 2021
Last changed
17 Jun 2026
Added to UpHeron
16 Oct 2026
Fixed in
9.6.22, 10.17, 11.12, 12.7, 13.3
Sources
NVD

Affected software

SoftwareAffected versions
PostgreSQLServers and applications · cpe:a:postgresql:postgresql
  • From 9.6.0 before 9.6.22
  • From 10.0 before 10.17
  • From 11.0 before 11.12
  • From 12.0 before 12.7
  • From 13.0 before 13.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-32028
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-32028