vulnerability
Samba CVE-2021-20277: CVE-2020-27840 and CVE-2021-20277. Please see announcements for details.
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | May 12, 2021 | May 12, 2021 | Jun 3, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
May 12, 2021
Added
May 12, 2021
Modified
Jun 3, 2026
Description
A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability.
Solutions
samba-upgrade-4_12_13samba-upgrade-4_13_6samba-upgrade-4_14_1
Rapid7 Labs
2026 Global Threat Landscape Report
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