{"id":"UBUNTU-CVE-2017-6307","details":"An issue was discovered in tnef before 1.4.13. Two OOB Writes have been identified in src/mapi_attr.c:mapi_attr_read(). These might lead to invalid read and write operations, controlled by an attacker.","modified":"2025-09-08T16:44:08Z","published":"2017-02-24T04:59:00Z","upstream":["CVE-2017-6307"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-6307"},{"type":"REPORT","url":"https://www.x41-dsec.de/lab/advisories/x41-2017-004-tnef/"},{"type":"REPORT","url":"https://github.com/verdammelt/tnef/blob/master/ChangeLog"},{"type":"REPORT","url":"https://github.com/verdammelt/tnef/commit/1a17af1ed0c791aec44dbdc9eab91218cc1e335a"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-6307"}],"affected":[{"package":{"name":"tnef","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/tnef@1.4.9-1+deb8u2build0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.9-1+deb8u2build0.14.04.1"}]}],"versions":["1.4.9-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.4.9-1+deb8u2build0.14.04.1","binary_name":"tnef"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-6307.json"}},{"package":{"name":"tnef","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/tnef@1.4.9-1+deb8u2build0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.9-1+deb8u2build0.16.04.1"}]}],"versions":["1.4.9-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.4.9-1+deb8u2build0.16.04.1","binary_name":"tnef"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-6307.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}