{"id":"UBUNTU-CVE-2017-9146","details":"The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.","modified":"2026-01-30T02:47:45.315146Z","published":"2017-05-22T00:00:00Z","related":["USN-3667-1"],"upstream":["CVE-2017-9146"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-9146"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3667-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-9146"}],"affected":[{"package":{"name":"libytnef","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libytnef@1.5-6ubuntu0.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5-6ubuntu0.2"}]}],"versions":["1.5-5","1.5-6","1.5-6ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.5-6ubuntu0.2","binary_name":"libytnef0"},{"binary_version":"1.5-6ubuntu0.2","binary_name":"libytnef0-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-9146.json"}},{"package":{"name":"libytnef","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libytnef@1.5-9ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5-6","1.5-9","1.5-9ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.5-9ubuntu0.1","binary_name":"libytnef0"},{"binary_version":"1.5-9ubuntu0.1","binary_name":"libytnef0-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-9146.json"}},{"package":{"name":"libytnef","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libytnef@1.9.2-2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.2-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.9.2-2","binary_name":"libytnef0"},{"binary_version":"1.9.2-2","binary_name":"libytnef0-dev"},{"binary_version":"1.9.2-2","binary_name":"ytnef-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-9146.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}