{"id":"UBUNTU-CVE-2020-10700","details":"A use-after-free flaw was found in the way samba AD DC LDAP servers, handled 'Paged Results' control is combined with the 'ASQ' control. A malicious user in a samba AD could use this flaw to cause denial of service. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.","modified":"2026-04-22T12:26:44.870335Z","published":"2020-04-28T00:00:00Z","related":["USN-4341-1"],"upstream":["CVE-2020-10700"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-10700"},{"type":"REPORT","url":"https://www.samba.org/samba/security/CVE-2020-10700.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4341-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-10700"}],"affected":[{"package":{"name":"samba","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/samba@2:4.11.6+dfsg-0ubuntu1.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.11.6+dfsg-0ubuntu1.1"}]}],"versions":["2:4.10.7+dfsg-0ubuntu2","2:4.10.7+dfsg-0ubuntu3","2:4.11.1+dfsg-3ubuntu1","2:4.11.1+dfsg-3ubuntu2","2:4.11.1+dfsg-3ubuntu4","2:4.11.5+dfsg-1ubuntu1","2:4.11.5+dfsg-1ubuntu2","2:4.11.6+dfsg-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"ctdb","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_name":"libnss-winbind","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_version":"2:4.11.6+dfsg-0ubuntu1.1","binary_name":"libpam-winbind"},{"binary_name":"libsmbclient","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_version":"2:4.11.6+dfsg-0ubuntu1.1","binary_name":"libwbclient0"},{"binary_name":"python3-samba","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_name":"registry-tools","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_name":"samba","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_name":"samba-common","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_name":"samba-common-bin","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_name":"samba-dsdb-modules","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_name":"samba-libs","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_name":"samba-testsuite","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_version":"2:4.11.6+dfsg-0ubuntu1.1","binary_name":"samba-vfs-modules"},{"binary_name":"smbclient","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"},{"binary_name":"winbind","binary_version":"2:4.11.6+dfsg-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10700.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}