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OpenAdvisories
Unscored USN-7698-1 8 CVEs

openldap vulnerabilities

Published Aug 17, 2025 · Updated Apr 22, 2026

Summary

It was discovered that OpenLDAP incorrectly handled Certificate Exact
Assertion processing. A remote attacker could possibly use this issue to
cause OpenLDAP to crash, resulting in a denial of service. (CVE-2020-36221)

It was discovered that OpenLDAP incorrectly handled saslAuthzTo processing.
A remote attacker could use this issue to cause OpenLDAP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2020-36222, CVE-2020-36224, CVE-2020-36225, CVE-2020-36226)

It was discovered that OpenLDAP incorrectly handled Return Filter control
handling. A remote attacker could use this issue to cause OpenLDAP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2020-36223)

It was discovered that OpenLDAP incorrectly handled certain cancel
operations. A remote attacker could possibly use this issue to cause
OpenLDAP to crash, resulting in a denial of service. (CVE-2020-36227)

It was discovered that OpenLDAP incorrectly handled Certificate List
Extract Assertion processing. A remote attacker could possibly use this
issue to cause OpenLDAP to crash, resulting in a denial of service.
(CVE-2020-36228)

Fixed packages 1

ReleasePackageFixed in
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS openldap 2.4.31-1+nmu2ubuntu8.5+esm7

Vulnerabilities 8

References

  • report
    https://ubuntu.com/security/CVE-2020-36221
  • report
    https://ubuntu.com/security/CVE-2020-36222
  • report
    https://ubuntu.com/security/CVE-2020-36223
  • report
    https://ubuntu.com/security/CVE-2020-36224
  • report
    https://ubuntu.com/security/CVE-2020-36225
  • report
    https://ubuntu.com/security/CVE-2020-36226
  • report
    https://ubuntu.com/security/CVE-2020-36227
  • report
    https://ubuntu.com/security/CVE-2020-36228