CVE-2020-36221
High
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).
SeverityHigh
CVSS7.5
Exploit probability—
Product
Openldap
PublishedJan 26, 2021
First seenJan 26, 2021
How to fix
Update
- openldap openldap2.4.57 or later
- apple mac_os_x10.14.6 or later
- apple macos11.4 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openldap openldap | v < 2.4.57 | 2.4.57 |
| debian debian_linux | 9.0, 10.0 | — |
| apple mac_os_x | 10.14.0 ≤ v < 10.14.6, 10.14.6 | 10.14.6 |
| apple macos | 11.1 ≤ v < 11.4 | 11.4 |
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