CVE-2020-10760: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 2.7% chance of exploitation in the next 30 days.

A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration. A Samba LDAP user could use this flaw to crash samba.

Affected products

• Canonical Ubuntu Linux: version 18.04 only; version 19.10 only; version 20.04 only
• Fedoraproject Fedora: version 31 only
• Opensuse Leap: version 15.1 only; version 15.2 only
• Samba Samba: from 4.5.0, before 4.10.17 (fixed in 4.10.17); from 4.11.0, before 4.11.11 (fixed in 4.11.11); from 4.12.0, before 4.12.4 (fixed in 4.12.4)

Published 2020-07-06. Last modified 2026-06-17.