CVE-2021-32027
While modifying certain SQL array values, missing bounds checks let authenticated database users write arbitrary bytes to a wide area of server memory.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.99% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- postgresql/postgresql · redhat/jboss enterprise application platform · redhat/software collections · redhat/enterprise linux
- Source
- secalert@redhat.com
EPSS 2.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1956876Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202211-04Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210713-0004/Third Party Advisory
- https://www.postgresql.org/support/security/CVE-2021-32027/Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1956876Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202211-04Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210713-0004/Third Party Advisory
- https://www.postgresql.org/support/security/CVE-2021-32027/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.