{"id":"RLSA-2026:25932","summary":"Important: postfix security update","details":"The postfix packages provide a Mail Transport Agent (MTA), which supports protocols like LDAP, SMTP AUTH (SASL), and TLS.\n\nSecurity Fix(es):\n\n* postfix: buffer over-read via malformed enhanced status code (CVE-2026-43964)\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.","modified":"2026-06-17T06:30:07.158840522Z","published":"2026-06-17T06:00:15.788686Z","upstream":["CVE-2026-43964"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:25932"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2466488"}],"affected":[{"package":{"name":"postfix","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/postfix?distro=rocky-linux-8&epoch=2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.5.8-8.el8_10"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:25932.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}