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.
https://lists.debian.org/debian-lts-announce/2021/03/msg00036.html
https://bugzilla.redhat.com/show_bug.cgi?id=1941402
https://www.samba.org/samba/security/CVE-2021-20277.html
https://security.netapp.com/advisory/ntap-20210326-0007/
Source: MITRE
Published: 2021-05-12
Updated: 2022-08-05
Type: CWE-787
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH