{"id":"USN-6296-1","summary":"postgresql-12, postgresql-14, postgresql-15 vulnerabilities","details":"It was discovered that PostgreSQL incorrectly handled certain extension\nscript substitutions. An attacker having database-level CREATE privileges\ncan use this issue to execute arbitrary code as the bootstrap superuser.\n(CVE-2023-39417)\n\nIt was discovered that PostgreSQL incorrectly handled the MERGE command. A\nremote attacker could possibly use this issue to bypass certain UPDATE and\nSELECT policies. This issue only affected Ubuntu 23.04. (CVE-2023-39418)\n","modified":"2026-04-27T16:47:10.334799202Z","published":"2023-08-17T11:56:22Z","related":["UBUNTU-CVE-2023-39417"],"upstream":["CVE-2023-39417","UBUNTU-CVE-2023-39417","UBUNTU-CVE-2023-39418"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6296-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39417"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39418"}],"affected":[{"package":{"name":"postgresql-12","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/postgresql-12@12.16-0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.16-0ubuntu0.20.04.1"}]}],"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","12.7-0ubuntu0.20.04.1","12.8-0ubuntu0.20.04.1","12.9-0ubuntu0.20.04.1","12.10-0ubuntu0.20.04.1","12.11-0ubuntu0.20.04.1","12.12-0ubuntu0.20.04.1","12.13-0ubuntu0.20.04.1","12.14-0ubuntu0.20.04.1","12.15-0ubuntu0.20.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libecpg-compat3","binary_version":"12.16-0ubuntu0.20.04.1"},{"binary_name":"libecpg6","binary_version":"12.16-0ubuntu0.20.04.1"},{"binary_version":"12.16-0ubuntu0.20.04.1","binary_name":"libpgtypes3"},{"binary_name":"libpq5","binary_version":"12.16-0ubuntu0.20.04.1"},{"binary_name":"postgresql-12","binary_version":"12.16-0ubuntu0.20.04.1"},{"binary_name":"postgresql-client-12","binary_version":"12.16-0ubuntu0.20.04.1"},{"binary_name":"postgresql-doc-12","binary_version":"12.16-0ubuntu0.20.04.1"},{"binary_name":"postgresql-plperl-12","binary_version":"12.16-0ubuntu0.20.04.1"},{"binary_name":"postgresql-plpython3-12","binary_version":"12.16-0ubuntu0.20.04.1"},{"binary_name":"postgresql-pltcl-12","binary_version":"12.16-0ubuntu0.20.04.1"},{"binary_name":"postgresql-server-dev-12","binary_version":"12.16-0ubuntu0.20.04.1"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"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-2023-39417"}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6296-1.json"}},{"package":{"name":"postgresql-14","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/postgresql-14@14.9-0ubuntu0.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"14.9-0ubuntu0.22.04.1"}]}],"versions":["14.1-1ubuntu1","14.2-1","14.2-1ubuntu1","14.3-0ubuntu0.22.04.1","14.4-0ubuntu0.22.04.1","14.5-0ubuntu0.22.04.1","14.6-0ubuntu0.22.04.1","14.7-0ubuntu0.22.04.1","14.8-0ubuntu0.22.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libecpg-compat3","binary_version":"14.9-0ubuntu0.22.04.1"},{"binary_name":"libecpg6","binary_version":"14.9-0ubuntu0.22.04.1"},{"binary_name":"libpgtypes3","binary_version":"14.9-0ubuntu0.22.04.1"},{"binary_name":"libpq5","binary_version":"14.9-0ubuntu0.22.04.1"},{"binary_version":"14.9-0ubuntu0.22.04.1","binary_name":"postgresql-14"},{"binary_version":"14.9-0ubuntu0.22.04.1","binary_name":"postgresql-client-14"},{"binary_version":"14.9-0ubuntu0.22.04.1","binary_name":"postgresql-doc-14"},{"binary_version":"14.9-0ubuntu0.22.04.1","binary_name":"postgresql-plperl-14"},{"binary_version":"14.9-0ubuntu0.22.04.1","binary_name":"postgresql-plpython3-14"},{"binary_name":"postgresql-pltcl-14","binary_version":"14.9-0ubuntu0.22.04.1"},{"binary_name":"postgresql-server-dev-14","binary_version":"14.9-0ubuntu0.22.04.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2023-39417","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"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"}]}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6296-1.json"}}],"schema_version":"1.7.5"}