{"id":"UBUNTU-CVE-2014-5355","details":"MIT Kerberos 5 (aka krb5) through 1.13.1 incorrectly expects that a krb5_read_message data field is represented as a string ending with a '\\0' character, which allows remote attackers to (1) cause a denial of service (NULL pointer dereference) via a zero-byte version string or (2) cause a denial of service (out-of-bounds read) by omitting the '\\0' character, related to appl/user_user/server.c and lib/krb5/krb/recvauth.c.","modified":"2026-04-22T09:46:43.049156Z","published":"2015-02-20T00:00:00Z","related":["USN-2810-1"],"upstream":["CVE-2014-5355"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-5355"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2810-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-5355"}],"affected":[{"package":{"name":"krb5","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/krb5@1.12+dfsg-2ubuntu5.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12+dfsg-2ubuntu5.2"}]}],"versions":["1.10.1+dfsg-6.1ubuntu1","1.11.3+dfsg-3ubuntu2","1.12+dfsg-2ubuntu1","1.12+dfsg-2ubuntu2","1.12+dfsg-2ubuntu3","1.12+dfsg-2ubuntu4","1.12+dfsg-2ubuntu4.2","1.12+dfsg-2ubuntu5","1.12+dfsg-2ubuntu5.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"krb5-admin-server","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"krb5-gss-samples","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"krb5-kdc","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"krb5-kdc-ldap","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_version":"1.12+dfsg-2ubuntu5.2","binary_name":"krb5-locales"},{"binary_name":"krb5-multidev","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"krb5-otp","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"krb5-pkinit","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"krb5-user","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"libgssapi-krb5-2","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"libgssrpc4","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_version":"1.12+dfsg-2ubuntu5.2","binary_name":"libk5crypto3"},{"binary_name":"libkadm5clnt-mit9","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"libkadm5srv-mit8","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"libkadm5srv-mit9","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"libkdb5-7","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"libkrad0","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"libkrb5-3","binary_version":"1.12+dfsg-2ubuntu5.2"},{"binary_name":"libkrb5support0","binary_version":"1.12+dfsg-2ubuntu5.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-5355.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"low"}]}