{"id":"USN-7478-1","summary":"corosync vulnerability","details":"It was discovered that Corosync incorrectly handled certain large UDP\npackets. If encryption is disabled, or an attacker knows the encryption\nkey, this issue could be used to cause Corosync to crash, resulting in a\ndenial of service.\n","modified":"2026-04-27T17:57:00.876353Z","published":"2025-05-05T12:05:14Z","related":["UBUNTU-CVE-2025-30472"],"upstream":["CVE-2025-30472","UBUNTU-CVE-2025-30472"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7478-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-30472"}],"affected":[{"package":{"name":"corosync","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/corosync@3.0.3-2ubuntu2.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.3-2ubuntu2.2"}]}],"versions":["3.0.1-2ubuntu1","3.0.2-1ubuntu1","3.0.2-1ubuntu2","3.0.3-2ubuntu1","3.0.3-2ubuntu2","3.0.3-2ubuntu2.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"3.0.3-2ubuntu2.2","binary_name":"corosync"},{"binary_version":"3.0.3-2ubuntu2.2","binary_name":"corosync-notifyd"},{"binary_version":"3.0.3-2ubuntu2.2","binary_name":"corosync-vqsim"},{"binary_version":"3.0.3-2ubuntu2.2","binary_name":"libcfg7"},{"binary_version":"3.0.3-2ubuntu2.2","binary_name":"libcmap4"},{"binary_version":"3.0.3-2ubuntu2.2","binary_name":"libcorosync-common4"},{"binary_version":"3.0.3-2ubuntu2.2","binary_name":"libcpg4"},{"binary_version":"3.0.3-2ubuntu2.2","binary_name":"libquorum5"},{"binary_version":"3.0.3-2ubuntu2.2","binary_name":"libsam4"},{"binary_version":"3.0.3-2ubuntu2.2","binary_name":"libvotequorum8"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-30472"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7478-1.json"}},{"package":{"name":"corosync","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/corosync@3.1.6-1ubuntu1.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.6-1ubuntu1.1"}]}],"versions":["3.1.2-2ubuntu1","3.1.6-1ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"3.1.6-1ubuntu1.1","binary_name":"corosync"},{"binary_version":"3.1.6-1ubuntu1.1","binary_name":"corosync-notifyd"},{"binary_version":"3.1.6-1ubuntu1.1","binary_name":"corosync-vqsim"},{"binary_version":"3.1.6-1ubuntu1.1","binary_name":"libcfg7"},{"binary_version":"3.1.6-1ubuntu1.1","binary_name":"libcmap4"},{"binary_version":"3.1.6-1ubuntu1.1","binary_name":"libcorosync-common4"},{"binary_version":"3.1.6-1ubuntu1.1","binary_name":"libcpg4"},{"binary_version":"3.1.6-1ubuntu1.1","binary_name":"libquorum5"},{"binary_version":"3.1.6-1ubuntu1.1","binary_name":"libsam4"},{"binary_version":"3.1.6-1ubuntu1.1","binary_name":"libvotequorum8"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-30472"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7478-1.json"}},{"package":{"name":"corosync","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/corosync@3.1.7-1ubuntu3.1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.7-1ubuntu3.1"}]}],"versions":["3.1.7-1ubuntu1","3.1.7-1ubuntu2","3.1.7-1ubuntu3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"3.1.7-1ubuntu3.1","binary_name":"corosync"},{"binary_version":"3.1.7-1ubuntu3.1","binary_name":"corosync-notifyd"},{"binary_version":"3.1.7-1ubuntu3.1","binary_name":"corosync-vqsim"},{"binary_version":"3.1.7-1ubuntu3.1","binary_name":"libcfg7"},{"binary_version":"3.1.7-1ubuntu3.1","binary_name":"libcmap4"},{"binary_version":"3.1.7-1ubuntu3.1","binary_name":"libcorosync-common4"},{"binary_version":"3.1.7-1ubuntu3.1","binary_name":"libcpg4"},{"binary_version":"3.1.7-1ubuntu3.1","binary_name":"libquorum5"},{"binary_version":"3.1.7-1ubuntu3.1","binary_name":"libsam4"},{"binary_version":"3.1.7-1ubuntu3.1","binary_name":"libvotequorum8"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-30472"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7478-1.json"}}],"schema_version":"1.7.5"}