{"id":"ALSA-2026:44391","summary":"Important: libpq security update","details":"The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers.   \n\nSecurity Fix(es):  \n\n  * postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory (CVE-2026-6477)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","modified":"2026-07-23T14:15:06.357540107Z","published":"2026-07-23T00:00:00Z","related":["CVE-2026-6477"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:44391"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-6477"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2477442"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2026-44391.html"}],"affected":[{"package":{"name":"libpq","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/libpq"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.14-1.el10_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:44391.json"}},{"package":{"name":"libpq-devel","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/libpq-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.14-1.el10_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:44391.json"}}],"schema_version":"1.7.5"}