Vulnerabilities > CVE-2021-20277 - Out-of-bounds Write vulnerability in multiple products

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
samba
debian
fedoraproject
CWE-787

Summary

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.

Vulnerable Configurations

Part Description Count
Application
Samba
285
OS
Debian
2
OS
Fedoraproject
3

Common Weakness Enumeration (CWE)