CVE-2021-32028
postgresql: Memory disclosure in INSERT ... ON CONFLICT ... DO UPDATE
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 13, 2021
Updated · August 5, 2026
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor