Description

OpenLDAP Lightning Memory-Mapped Database (LMDB) versions up to and including 0.9.14, prior to commit 8e1fda8, contain a heap buffer underflow in the readline() function of mdb_load. When processing malformed input containing an embedded NUL byte, an unsigned offset calculation can underflow and cause an out-of-bounds read of one byte before the allocated heap buffer. This can cause mdb_load to crash, leading to a limited denial-of-service condition.

INFO

Published Date :

2026-01-07T20:26:30.054Z

Last Modified :

2026-01-12T17:24:00.524Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-22185 vulnerability.

Vendors Products
Openldap
  • Openldap
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-22185.

URL Resource
https://bugs.openldap.org/show_bug.cgi?id=10421 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-22185 cve-icon
https://seclists.org/fulldisclosure/2026/Jan/5 cve-icon cve-icon cve-icon
https://seclists.org/fulldisclosure/2026/Jan/8 cve-icon cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-22185 cve-icon
https://www.openldap.org/ cve-icon cve-icon cve-icon
https://www.vulncheck.com/advisories/openldap-lmdb-mdb-load-heap-buffer-underflow-in-readline cve-icon cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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SS Confidentiality
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact