High 8.8Published Jun 1, 2021

CVE-2021-32027A flaw was found in postgresql in versions before 13.3, before 12.7, before 11.12, before 10.17 and before 9.6.22.

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects postgresql and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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A flaw was found in postgresql in versions before 13.3, before 12.7, before 11.12, before 10.17 and before 9.6.22. While modifying certain SQL array values, missing bounds checks let authenticated database users write arbitrary bytes to a wide area of server memory. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS: 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-190
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

postgresql postgresql 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	NVD
redhat jboss_enterprise_application_platform redhat:jboss_enterprise_application_platform	7.0.0	NVD
redhat software_collections redhat:software_collections	all versions	NVD
redhat enterprise_linux redhat:enterprise_linux	7.0; 8.0	NVD

References

References

https://bugzilla.redhat.com/show_bug.cgi?id=1956876	issue-tracking, patch, third-party-advisory
https://security.gentoo.org/glsa/202211-04	third-party-advisory
https://security.netapp.com/advisory/ntap-20210713-0004/	third-party-advisory
https://www.postgresql.org/support/security/CVE-2021-32027/	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.