{"id":"SUSE-SU-2026:23850-1","summary":"Security update for corosync","details":"This update for corosync fixes the following issues:\n\n- CVE-2026-81665: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly\n  (bsc#1278738).\n- CVE-2026-81666: integer overflow in check_memb_commit_token_sanity may bypass message length validation on 32-bit\n  systems (bsc#1278739).\n","modified":"2026-09-27T18:23:15.792571294Z","published":"2026-09-20T04:53:53Z","related":["CVE-2026-81665","CVE-2026-81666"],"upstream":["CVE-2026-81665","CVE-2026-81666"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-202623850-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1278738"},{"type":"REPORT","url":"https://bugzilla.suse.com/1278739"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-81665"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-81666"}],"affected":[{"package":{"name":"corosync","ecosystem":"SUSE:Linux Enterprise High Availability Extension 16.0","purl":"pkg:rpm/suse/corosync&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.9-160000.4.1"}]}],"ecosystem_specific":{"binaries":[{"corosync-devel":"3.1.9-160000.4.1","corosync-libs":"3.1.9-160000.4.1","corosync":"3.1.9-160000.4.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:23850-1.json"}}],"schema_version":"1.9.0"}