{"id":"UBUNTU-CVE-2019-14907","details":"All samba versions 4.9.x before 4.9.18, 4.10.x before 4.10.12 and 4.11.x before 4.11.5 have an issue where if it is set with \"log level = 3\" (or above) then the string obtained from the client, after a failed character conversion, is printed. Such strings can be provided during the NTLMSSP authentication exchange. In the Samba AD DC in particular, this may cause a long-lived process(such as the RPC server) to terminate. (In the file server case, the most likely target, smbd, operates as process-per-client and so a crash there is harmless).","modified":"2026-04-22T13:26:34.190258Z","published":"2020-01-21T00:00:00Z","related":["USN-4244-1"],"upstream":["CVE-2019-14907"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-14907"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4244-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-14907"}],"affected":[{"package":{"name":"samba","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:3.6.18-1ubuntu3","2:4.0.10+dfsg-4ubuntu2","2:4.0.13+dfsg-1ubuntu1","2:4.1.3+dfsg-2ubuntu2","2:4.1.3+dfsg-2ubuntu3","2:4.1.3+dfsg-2ubuntu4","2:4.1.3+dfsg-2ubuntu5","2:4.1.6+dfsg-1ubuntu1","2:4.1.6+dfsg-1ubuntu2","2:4.1.6+dfsg-1ubuntu2.14.04.1","2:4.1.6+dfsg-1ubuntu2.14.04.2","2:4.1.6+dfsg-1ubuntu2.14.04.3","2:4.1.6+dfsg-1ubuntu2.14.04.4","2:4.1.6+dfsg-1ubuntu2.14.04.5","2:4.1.6+dfsg-1ubuntu2.14.04.7","2:4.1.6+dfsg-1ubuntu2.14.04.8","2:4.1.6+dfsg-1ubuntu2.14.04.9","2:4.1.6+dfsg-1ubuntu2.14.04.11","2:4.1.6+dfsg-1ubuntu2.14.04.12","2:4.1.6+dfsg-1ubuntu2.14.04.13","2:4.3.8+dfsg-0ubuntu0.14.04.2","2:4.3.9+dfsg-0ubuntu0.14.04.1","2:4.3.9+dfsg-0ubuntu0.14.04.3","2:4.3.11+dfsg-0ubuntu0.14.04.1","2:4.3.11+dfsg-0ubuntu0.14.04.2","2:4.3.11+dfsg-0ubuntu0.14.04.3","2:4.3.11+dfsg-0ubuntu0.14.04.4","2:4.3.11+dfsg-0ubuntu0.14.04.6","2:4.3.11+dfsg-0ubuntu0.14.04.7","2:4.3.11+dfsg-0ubuntu0.14.04.8","2:4.3.11+dfsg-0ubuntu0.14.04.9","2:4.3.11+dfsg-0ubuntu0.14.04.10","2:4.3.11+dfsg-0ubuntu0.14.04.11","2:4.3.11+dfsg-0ubuntu0.14.04.12","2:4.3.11+dfsg-0ubuntu0.14.04.13","2:4.3.11+dfsg-0ubuntu0.14.04.14","2:4.3.11+dfsg-0ubuntu0.14.04.16","2:4.3.11+dfsg-0ubuntu0.14.04.17","2:4.3.11+dfsg-0ubuntu0.14.04.19","2:4.3.11+dfsg-0ubuntu0.14.04.20","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm2","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm3","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm4","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm6","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm7","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm9","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm12","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm13","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm14","2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"],"ecosystem_specific":{"binaries":[{"binary_name":"libnss-winbind","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"libpam-smbpass","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"libpam-winbind","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"libparse-pidl-perl","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"libsmbclient","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"libsmbsharemodes0","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"libwbclient0","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"python-samba","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"registry-tools","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"samba","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"samba-common","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"samba-common-bin","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"samba-dsdb-modules","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"samba-libs","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"samba-testsuite","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"samba-vfs-modules","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"smbclient","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"},{"binary_name":"winbind","binary_version":"2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-14907.json"}},{"package":{"name":"samba","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.16.04.25?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.3.11+dfsg-0ubuntu0.16.04.25"}]}],"versions":["2:4.1.17+dfsg-4ubuntu2","2:4.1.20+dfsg-1ubuntu1","2:4.1.20+dfsg-1ubuntu2","2:4.1.20+dfsg-1ubuntu3","2:4.1.20+dfsg-1ubuntu5","2:4.3.3+dfsg-1ubuntu1","2:4.3.3+dfsg-1ubuntu2","2:4.3.3+dfsg-1ubuntu3","2:4.3.6+dfsg-1ubuntu1","2:4.3.8+dfsg-0ubuntu1","2:4.3.9+dfsg-0ubuntu0.16.04.1","2:4.3.9+dfsg-0ubuntu0.16.04.2","2:4.3.9+dfsg-0ubuntu0.16.04.3","2:4.3.11+dfsg-0ubuntu0.16.04.1","2:4.3.11+dfsg-0ubuntu0.16.04.3","2:4.3.11+dfsg-0ubuntu0.16.04.5","2:4.3.11+dfsg-0ubuntu0.16.04.6","2:4.3.11+dfsg-0ubuntu0.16.04.7","2:4.3.11+dfsg-0ubuntu0.16.04.8","2:4.3.11+dfsg-0ubuntu0.16.04.9","2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