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Findings

CVE-2020-36226

A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service.

Published Jan 26, 2021 · updated Oct 14, 2026 · openldap openldap

A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 26, 2021 · NIST NVD

    Detected

    A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service.

  2. Oct 14, 2026 · NIST NVD

    Updated

    A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service.

Affected

  • cpe apple/mac os xversion unspecified
  • cpe apple/mac os x10.14.6
  • cpe debian/debian linux10.0
  • cpe debian/debian linux9.0
  • cpe openldap/openldapversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2020-36226

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-36226

    30-day exploitation probability 4.2%

    first.org
  • NIST NVDVulnerability recordCVE-2020-36226

    A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service.

    nvd.nist.gov

References