PT-2021-5534

CVE-2020-36225

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Published

2021-01-25

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Updated

2026-10-14

Description by

CVSS 2.0
7.8
High
MetricsAV:N/AC:L/Au:N/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions OpenLDAP versions prior to 2.4.57
Description The issue is related to a double free vulnerability in the OpenLDAP protocol, which can be exploited by a remote attacker to cause a denial of service (DoS) by sending a specially crafted request to slapd. This can lead to a crash in the saslAuthzTo processing.
Recommendations For versions prior to 2.4.57, update to version 2.4.57 or later to resolve the issue. As a temporary workaround, consider restricting access to the saslAuthzTo processing to minimize the risk of exploitation.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
Related identifiers
ALT-PU-2021-1333
ALT-PU-2021-1352
ALT-PU-2021-1354
BIT-OPENLDAP-2020-36225
CLEANSTART-2026-LF09803
DLA-2544-1
DSA-4845-1
MGASA-2021-0105
OESA-2021-1062
OPENSUSE-SU-2021:0408-1
OPENSUSE-SU-2021_0408-1
ROSA-SA-2025-2550
SUSE-SU-2021:0692-1
SUSE-SU-2021:0693-1
SUSE-SU-2021:0723-1
SUSE-SU-2021:14700-1
SUSE-SU-2021_14700-1
USN-4724-1
USN-7698-1
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