{"id":"DEBIAN-CVE-2026-35091","details":"A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User Datagram Protocol (UDP) packet. This can lead to an out-of-bounds read, causing a denial of service (DoS) and potentially disclosing limited memory contents","modified":"2026-09-14T17:03:29.279622423Z","published":"2026-04-01T14:16:57.040Z","upstream":["CVE-2026-35091"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-35091"}],"affected":[{"package":{"name":"corosync","ecosystem":"Debian:12","purl":"pkg:deb/debian/corosync?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.7-1+deb12u2"}]}],"versions":["3.1.7-1","3.1.7-1+deb12u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-35091.json"}},{"package":{"name":"corosync","ecosystem":"Debian:13","purl":"pkg:deb/debian/corosync?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.9-2+deb13u1"}]}],"versions":["3.1.9-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-35091.json"}},{"package":{"name":"corosync","ecosystem":"Debian:14","purl":"pkg:deb/debian/corosync?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.10-2"}]}],"versions":["3.1.10-1","3.1.9-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-35091.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"}]}