{"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":"2026-06-09T03:18:52.133520776Z","published":"2026-06-08T17:28:38Z","related":["UBUNTU-CVE-2026-47895"],"upstream":["CVE-2026-47895","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":{"binaries":[{"binary_version":"5.9.5-2ubuntu2.7","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_name":"libstrongswan-extra-plugins"},{"binary_version":"5.9.5-2ubuntu2.7","binary_name":"libstrongswan-standard-plugins"},{"binary_version":"5.9.5-2ubuntu2.7","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_name":"strongswan-nm"},{"binary_version":"5.9.5-2ubuntu2.7","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"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8407-1.json","cves_map":{"cves":[{"severity":[{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-47895"}],"ecosystem":"Ubuntu:22.04:LTS"}}},{"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":{"binaries":[{"binary_version":"5.9.13-2ubuntu4.24.04.4","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_name":"libstrongswan-extra-plugins"},{"binary_version":"5.9.13-2ubuntu4.24.04.4","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_name":"strongswan-pki"},{"binary_version":"5.9.13-2ubuntu4.24.04.4","binary_name":"strongswan-starter"},{"binary_version":"5.9.13-2ubuntu4.24.04.4","binary_name":"strongswan-swanctl"}],"availability":"No 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required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8407-1.json","cves_map":{"cves":[{"severity":[{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-47895"}],"ecosystem":"Ubuntu:24.04:LTS"}}},{"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":{"binaries":[{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"charon-cmd"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"charon-systemd"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"libcharon-extauth-plugins"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"libcharon-extra-plugins"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"libstrongswan"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"libstrongswan-extra-plugins"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"libstrongswan-standard-plugins"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"strongswan"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"strongswan-charon"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"strongswan-libcharon"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"strongswan-nm"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"strongswan-pki"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"strongswan-starter"},{"binary_version":"6.0.1-6ubuntu4.4","binary_name":"strongswan-swanctl"}],"availability":"No 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required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8407-1.json","cves_map":{"cves":[{"severity":[{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-47895"}],"ecosystem":"Ubuntu:25.10"}}},{"package":{"name":"strongswan","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/strongswan?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.4-1ubuntu3.1"}]}],"versions":["6.0.1-6ubuntu4","6.0.1-6ubuntu5","6.0.4-1ubuntu1","6.0.4-1ubuntu2","6.0.4-1ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"charon-cmd"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"charon-systemd"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"libcharon-extauth-plugins"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"libcharon-extra-plugins"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"libstrongswan"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"libstrongswan-extra-plugins"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"libstrongswan-standard-plugins"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"strongswan"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"strongswan-charon"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"strongswan-libcharon"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"strongswan-nm"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"strongswan-pki"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"strongswan-starter"},{"binary_version":"6.0.4-1ubuntu3.1","binary_name":"strongswan-swanctl"}],"availability":"No 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