{"id":"UBUNTU-CVE-2017-7957","details":"XStream through 1.4.9, when a certain denyTypes workaround is not used, mishandles attempts to create an instance of the primitive type 'void' during unmarshalling, leading to a remote application crash, as demonstrated by an xstream.fromXML(\"\u003cvoid/\u003e\") call.","modified":"2025-07-16T07:51:37.215276Z","published":"2017-04-29T19:59:00Z","upstream":["CVE-2017-7957"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-7957"},{"type":"REPORT","url":"https://x-stream.github.io/CVE-2017-7957.html"},{"type":"REPORT","url":"https://github.com/x-stream/xstream/commit/b3570be"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-7957"}],"affected":[{"package":{"name":"libxstream-java","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libxstream-java@1.4.7-1ubuntu0.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.7-1ubuntu0.1"}]}],"versions":["1.4.4-1","1.4.7-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxstream-java","binary_version":"1.4.7-1ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-7957.json"}},{"package":{"name":"libxstream-java","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libxstream-java@1.4.8-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.8-1ubuntu0.1"}]}],"versions":["1.4.8-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxstream-java","binary_version":"1.4.8-1ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-7957.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}