{"id":"RHSA-2026:27738","summary":"Red Hat Security Advisory: libpq security update","modified":"2026-06-24T10:08:06Z","published":"2026-06-22T10:06:48Z","upstream":["CVE-2026-6473","CVE-2026-6475","CVE-2026-6477","CVE-2026-6478"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:27738"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477439"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477442"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477447"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477448"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_27738.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-6473"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-6473"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6473"},{"type":"ARTICLE","url":"https://www.postgresql.org/support/security/CVE-2026-6473/"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-6475"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-6475"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6475"},{"type":"ARTICLE","url":"https://www.postgresql.org/support/security/CVE-2026-6475/"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-6477"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-6477"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6477"},{"type":"ARTICLE","url":"https://www.postgresql.org/support/security/CVE-2026-6477/"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-6478"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-6478"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6478"},{"type":"ARTICLE","url":"https://www.postgresql.org/support/security/CVE-2026-6478/"}],"affected":[{"package":{"name":"libpq","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/libpq"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:13.23-2.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:27738.json"}},{"package":{"name":"libpq-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/libpq-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:13.23-2.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:27738.json"}},{"package":{"name":"libpq-debugsource","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/libpq-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:13.23-2.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:27738.json"}},{"package":{"name":"libpq-devel","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/libpq-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:13.23-2.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:27738.json"}},{"package":{"name":"libpq-devel-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/libpq-devel-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:13.23-2.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:27738.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}