{"id":"UBUNTU-CVE-2021-41990","details":"The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.","modified":"2026-01-30T00:50:10.888539Z","published":"2021-10-18T12:00:00Z","related":["USN-5111-1"],"upstream":["CVE-2021-41990"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-41990"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5111-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-41990"}],"affected":[{"package":{"name":"strongswan","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/strongswan@5.6.2-1ubuntu2.7?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.2-1ubuntu2.7"}]}],"versions":["5.5.1-4ubuntu2","5.5.1-4ubuntu3","5.6.1-2ubuntu1","5.6.1-2ubuntu2","5.6.1-2ubuntu3","5.6.1-2ubuntu4","5.6.2-1ubuntu2","5.6.2-1ubuntu2.2","5.6.2-1ubuntu2.3","5.6.2-1ubuntu2.4","5.6.2-1ubuntu2.5","5.6.2-1ubuntu2.6"],"ecosystem_specific":{"availability":"No subscription 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