{"id":"UBUNTU-CVE-2014-4344","details":"The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty continuation token at a certain point during a SPNEGO negotiation.","modified":"2026-02-04T03:26:25.474261Z","published":"2014-07-21T00:00:00Z","related":["USN-2310-1"],"upstream":["CVE-2014-4344"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-4344"},{"type":"REPORT","url":"https://github.com/krb5/krb5/commit/524688ce87a15fc75f87efc8c039ba4c7d5c197b"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2310-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-4344"}],"affected":[{"package":{"name":"krb5","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/krb5@1.12+dfsg-2ubuntu4.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12+dfsg-2ubuntu4.2"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"krb5-admin-server","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"krb5-gss-samples","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"krb5-kdc","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"krb5-kdc-ldap","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"krb5-locales","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"krb5-multidev","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"krb5-otp","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"krb5-pkinit","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"krb5-user","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libgssapi-krb5-2","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libgssrpc4","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libk5crypto3","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libkadm5clnt-mit9","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libkadm5srv-mit8","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libkadm5srv-mit9","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libkdb5-7","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libkrad-dev","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libkrad0","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libkrb5-3","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libkrb5-dev","binary_version":"1.12+dfsg-2ubuntu4.2"},{"binary_name":"libkrb5support0","binary_version":"1.12+dfsg-2ubuntu4.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-4344.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}