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CVE-2020-36221

nvd nist
Published: Jan 26, 2021Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).

Affected (22)

Openldap
1 product
Openldap
Debian
1 product
Debian Linux
Apple
2 products
Mac Os X
Macos
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Openldap
Before 2.4.57
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Debian Linux
Version 10.0
Debian Linux
Version 9.0
Configuration C
19 vulnerable
Vulnerable SoftwareAffected Versions
Apple
Mac Os X
From 10.14.0 to 10.14.6
Mac Os X
Version 10.14.6
Mac Os X
Version 10.14.6 security_update_2019-004
Mac Os X
Version 10.14.6 security_update_2019-005
Mac Os X
Version 10.14.6 security_update_2019-006
Mac Os X
Version 10.14.6 security_update_2019-007
Mac Os X
Version 10.14.6 security_update_2020-001
Mac Os X
Version 10.14.6 security_update_2020-002
Mac Os X
Version 10.14.6 security_update_2020-003
Mac Os X
Version 10.14.6 security_update_2020-004
Mac Os X
Version 10.14.6 security_update_2020-005
Mac Os X
Version 10.14.6 security_update_2020-006
Mac Os X
Version 10.14.6 security_update_2020-007
Mac Os X
Version 10.14.6 security_update_2021-001
Mac Os X
Version 10.14.6 security_update_2021-002
Mac Os X
Version 10.14.6 security_update_2021-003
Mac Os X
Version 10.14.6 supplemental_update
Mac Os X
Version 10.14.6 supplemental_update_2
Macos
From 11.1 to 11.4

Related CWEs

CWE-191
Integer Underflow (Wrap or Wraparound)
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

References (32)

Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Issue TrackingVendor Advisory
Source: cve@mitre.org
Issue TrackingVendor Advisory
Source: cve@mitre.org
PatchVendor Advisory
Source: cve@mitre.org
PatchVendor Advisory
Source: cve@mitre.org
Release NotesVendor Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.