{"id":"RLSA-2026:13644","summary":"Moderate: corosync security update","details":"The corosync packages provide the Corosync Cluster Engine and C APIs for Rocky Linux cluster software.\n\nSecurity Fix(es):\n\n* corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet (CVE-2026-35091)\n\n* corosync: Corosync: Denial of Service via integer overflow in join message validation (CVE-2026-35092)\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":"2026-05-06T12:30:05.579193Z","published":"2026-05-06T12:05:16.751656Z","upstream":["CVE-2026-35091","CVE-2026-35092"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:13644"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2453814"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2453813"}],"affected":[{"package":{"name":"corosync","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/corosync?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.1.9-2.el10_1.1"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:13644.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:L/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}