{"id":"USN-4972-1","summary":"postgresql-10, postgresql-12, postgresql-13 vulnerabilities","details":"Tom Lane discovered that PostgreSQL incorrect handled certain array\nsubscripting calculations. An authenticated attacker could possibly use\nthis issue to overwrite server memory and escalate privileges.\n(CVE-2021-32027)\n\nAndres Freund discovered that PostgreSQL incorrect handled certain\nINSERT ... ON CONFLICT ... DO UPDATE commands. A remote attacker could\npossibly use this issue to read server memory and obtain sensitive\ninformation. (CVE-2021-32028)\n\nTom Lane discovered that PostgreSQL incorrect handled certain UPDATE ...\nRETURNING commands. A remote attacker could possibly use this issue to read\nserver memory and obtain sensitive information. This issue only affected\nUbuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-32029)\n","modified":"2026-04-27T15:52:57.456607Z","published":"2021-06-01T11:48:38Z","related":["UBUNTU-CVE-2021-32027","UBUNTU-CVE-2021-32028","UBUNTU-CVE-2021-32029"],"upstream":["CVE-2021-32027","CVE-2021-32028","CVE-2021-32029","UBUNTU-CVE-2021-32027","UBUNTU-CVE-2021-32028","UBUNTU-CVE-2021-32029"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4972-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-32027"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-32028"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-32029"}],"affected":[{"package":{"name":"postgresql-10","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/postgresql-10@10.17-0ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.17-0ubuntu0.18.04.1"}]}],"versions":["10.1-1","10.1-2","10.2-1","10.3-1","10.4-0ubuntu0.18.04","10.5-0ubuntu0.18.04","10.6-0ubuntu0.18.04.1","10.7-0ubuntu0.18.04.1","10.8-0ubuntu0.18.04.1","10.9-0ubuntu0.18.04.1","10.10-0ubuntu0.18.04.1","10.12-0ubuntu0.18.04.1","10.14-0ubuntu0.18.04.1","10.15-0ubuntu0.18.04.1","10.16-0ubuntu0.18.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libecpg-compat3","binary_version":"10.17-0ubuntu0.18.04.1"},{"binary_name":"libecpg6","binary_version":"10.17-0ubuntu0.18.04.1"},{"binary_name":"libpgtypes3","binary_version":"10.17-0ubuntu0.18.04.1"},{"binary_name":"libpq5","binary_version":"10.17-0ubuntu0.18.04.1"},{"binary_name":"postgresql-10","binary_version":"10.17-0ubuntu0.18.04.1"},{"binary_name":"postgresql-client-10","binary_version":"10.17-0ubuntu0.18.04.1"},{"binary_name":"postgresql-doc-10","binary_version":"10.17-0ubuntu0.18.04.1"},{"binary_name":"postgresql-plperl-10","binary_version":"10.17-0ubuntu0.18.04.1"},{"binary_name":"postgresql-plpython-10","binary_version":"10.17-0ubuntu0.18.04.1"},{"binary_name":"postgresql-plpython3-10","binary_version":"10.17-0ubuntu0.18.04.1"},{"binary_name":"postgresql-pltcl-10","binary_version":"10.17-0ubuntu0.18.04.1"},{"binary_name":"postgresql-server-dev-10","binary_version":"10.17-0ubuntu0.18.04.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-32027","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-32028","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4972-1.json"}},{"package":{"name":"postgresql-12","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/postgresql-12@12.7-0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.7-0ubuntu0.20.04.1"}]}],"versions":["12.0-1","12.1-1","12.1-2build1","12.2-1","12.2-1ubuntu2","12.2-4","12.4-0ubuntu0.20.04.1","12.5-0ubuntu0.20.04.1","12.6-0ubuntu0.20.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libecpg-compat3","binary_version":"12.7-0ubuntu0.20.04.1"},{"binary_name":"libecpg6","binary_version":"12.7-0ubuntu0.20.04.1"},{"binary_name":"libpgtypes3","binary_version":"12.7-0ubuntu0.20.04.1"},{"binary_name":"libpq5","binary_version":"12.7-0ubuntu0.20.04.1"},{"binary_name":"postgresql-12","binary_version":"12.7-0ubuntu0.20.04.1"},{"binary_name":"postgresql-client-12","binary_version":"12.7-0ubuntu0.20.04.1"},{"binary_name":"postgresql-doc-12","binary_version":"12.7-0ubuntu0.20.04.1"},{"binary_name":"postgresql-plperl-12","binary_version":"12.7-0ubuntu0.20.04.1"},{"binary_name":"postgresql-plpython3-12","binary_version":"12.7-0ubuntu0.20.04.1"},{"binary_name":"postgresql-pltcl-12","binary_version":"12.7-0ubuntu0.20.04.1"},{"binary_name":"postgresql-server-dev-12","binary_version":"12.7-0ubuntu0.20.04.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-32027","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-32028","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-32029","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4972-1.json"}}],"schema_version":"1.7.5"}