Out-of-bounds Read Affecting samba-devel package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.63% (80th percentile)

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  • Snyk IDSNYK-RHEL8-SAMBADEVEL-3386309
  • published26 Jul 2021
  • disclosed24 Mar 2021

Introduced: 24 Mar 2021

CVE-2021-20277  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 samba-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-devel package and not the samba-devel package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1