{"id":"USN-8407-1","summary":"strongswan vulnerability","details":"Elliott Childre discovered that strongSwan incorrectly handled the cloning\nof certain identities. A remote attacker could use this issue to cause\nstrongSwan to crash, resulting in a denial of service, or possibly execute\narbitrary code.","modified":"2026-08-24T10:00:13.887366871Z","published":"2026-06-08T17:28:38Z","related":["UBUNTU-CVE-2026-47895"],"upstream":["UBUNTU-CVE-2026-47895"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8407-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-47895"}],"affected":[{"package":{"name":"strongswan","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/strongswan?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.5-2ubuntu2.7"}]}],"versions":["5.9.1-1ubuntu3","5.9.1-1ubuntu3.1","5.9.4-1ubuntu1","5.9.4-1ubuntu2","5.9.4-1ubuntu3","5.9.4-1ubuntu4","5.9.5-2ubuntu1","5.9.5-2ubuntu2","5.9.5-2ubuntu2.1","5.9.5-2ubuntu2.2","5.9.5-2ubuntu2.3","5.9.5-2ubuntu2.4","5.9.5-2ubuntu2.5","5.9.5-2ubuntu2.6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"charon-cmd","binary_version":"5.9.5-2ubuntu2.7"},{"binary_name":"charon-systemd","binary_version":"5.9.5-2ubuntu2.7"},{"binary_name":"libcharon-extauth-plugins","binary_version":"5.9.5-2ubuntu2.7"},{"binary_name":"libcharon-extra-plugins","binary_version":"5.9.5-2ubuntu2.7"},{"binary_name":"libstrongswan","binary_version":"5.9.5-2ubuntu2.7"},{"binary_version":"5.9.5-2ubuntu2.7","binary_name":"libstrongswan-extra-plugins"},{"binary_version":"5.9.5-2ubuntu2.7","binary_name":"libstrongswan-standard-plugins"},{"binary_name":"strongswan","binary_version":"5.9.5-2ubuntu2.7"},{"binary_name":"strongswan-charon","binary_version":"5.9.5-2ubuntu2.7"},{"binary_name":"strongswan-libcharon","binary_version":"5.9.5-2ubuntu2.7"},{"binary_version":"5.9.5-2ubuntu2.7","binary_name":"strongswan-nm"},{"binary_name":"strongswan-pki","binary_version":"5.9.5-2ubuntu2.7"},{"binary_name":"strongswan-scepclient","binary_version":"5.9.5-2ubuntu2.7"},{"binary_name":"strongswan-starter","binary_version":"5.9.5-2ubuntu2.7"},{"binary_name":"strongswan-swanctl","binary_version":"5.9.5-2ubuntu2.7"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2026-47895","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8407-1.json"}},{"package":{"name":"strongswan","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/strongswan?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.13-2ubuntu4.24.04.4"}]}],"versions":["5.9.11-1ubuntu1","5.9.11-1ubuntu2","5.9.12-1ubuntu1","5.9.13-2ubuntu1","5.9.13-2ubuntu3","5.9.13-2ubuntu4","5.9.13-2ubuntu4.24.04.1","5.9.13-2ubuntu4.24.04.2","5.9.13-2ubuntu4.24.04.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"charon-cmd","binary_version":"5.9.13-2ubuntu4.24.04.4"},{"binary_name":"charon-systemd","binary_version":"5.9.13-2ubuntu4.24.04.4"},{"binary_name":"libcharon-extauth-plugins","binary_version":"5.9.13-2ubuntu4.24.04.4"},{"binary_name":"libcharon-extra-plugins","binary_version":"5.9.13-2ubuntu4.24.04.4"},{"binary_name":"libstrongswan","binary_version":"5.9.13-2ubuntu4.24.04.4"},{"binary_version":"5.9.13-2ubuntu4.24.04.4","binary_name":"libstrongswan-extra-plugins"},{"binary_name":"libstrongswan-standard-plugins","binary_version":"5.9.13-2ubuntu4.24.04.4"},{"binary_name":"strongswan","binary_version":"5.9.13-2ubuntu4.24.04.4"},{"binary_name":"strongswan-charon","binary_version":"5.9.13-2ubuntu4.24.04.4"},{"binary_name":"strongswan-libcharon","binary_version":"5.9.13-2ubuntu4.24.04.4"},{"binary_name":"strongswan-nm","binary_version":"5.9.13-2ubuntu4.24.04.4"},{"binary_version":"5.9.13-2ubuntu4.24.04.4","binary_name":"strongswan-pki"},{"binary_version":"5.9.13-2ubuntu4.24.04.4","binary_name":"strongswan-starter"},{"binary_name":"strongswan-swanctl","binary_version":"5.9.13-2ubuntu4.24.04.4"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2026-47895","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8407-1.json"}},{"package":{"name":"strongswan","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/strongswan?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.1-6ubuntu4.4"}]}],"versions":["5.9.13-2ubuntu4","5.9.13-2ubuntu5","6.0.1-6ubuntu2","6.0.1-6ubuntu4","6.0.1-6ubuntu4.1","6.0.1-6ubuntu4.2","6.0.1-6ubuntu4.3"],"ecosystem_specific":{"availability":"No 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