{"id":"ALSA-2026:69277","summary":"Important: corosync security update","details":"The corosync packages provide the Corosync Cluster Engine and C APIs for AlmaLinux cluster software.  \n\nSecurity Fix(es):  \n\n  * corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly (CVE-2026-81665)\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":"2026-09-22T11:45:03.330041319Z","published":"2026-09-21T00:00:00Z","related":["CVE-2026-81665"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:69277"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-81665"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2524910"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-69277.html"}],"affected":[{"package":{"name":"corosync","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/corosync"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.8-1.el8_10.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:69277.json"}},{"package":{"name":"corosync-vqsim","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/corosync-vqsim"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.8-1.el8_10.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:69277.json"}},{"package":{"name":"corosynclib","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/corosynclib"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.8-1.el8_10.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:69277.json"}},{"package":{"name":"corosynclib-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/corosynclib-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.8-1.el8_10.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:69277.json"}},{"package":{"name":"spausedd","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/spausedd"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.8-1.el8_10.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:69277.json"}}],"schema_version":"1.9.0"}