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Status published
High
CVE-2020-36228
An integer underflow was discovered in OpenLDAP before 2.4.57 leading...
Vulnerability Description
An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact Assertion processing, resulting in denial of service.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
- https://bugs.openldap.org/show_bug.cgi?id=9427
- https://git.openldap.org/openldap/openldap/-/commit/91dccd25c347733b365adc74cb07d074512ed5ad
- https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html
- https://www.debian.org/security/2021/dsa-4845
- https://security.netapp.com/advisory/ntap-20210226-0002/
- https://support.apple.com/kb/HT212529
- https://support.apple.com/kb/HT212531
- https://support.apple.com/kb/HT212530
- http://seclists.org/fulldisclosure/2021/May/70
- http://seclists.org/fulldisclosure/2021/May/64
- http://seclists.org/fulldisclosure/2021/May/65
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
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Affected Vendor
openldap
View all reports →Affected Software
openldap, debian linux, macos
Vulnerable Versions:
0, 9.0, 10.0, 11.1
Timeline
Official Publish:
January 25th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.