1. Ubuntu Security Notices
  2. USN-6197-1

USN-6197-1: OpenLDAP vulnerability

Publication date

3 July 2023

Overview

OpenLDAP could be made to crash if it received specially crafted input.

Releases

Packages

  • openldap - Lightweight Directory Access Protocol

Details

It was discovered that OpenLDAP was not properly performing bounds checks
when executing functions related to LDAP URLs. An attacker could possibly
use this issue to cause a denial of service.

It was discovered that OpenLDAP was not properly performing bounds checks
when executing functions related to LDAP URLs. An attacker could possibly
use this issue to cause a denial of service.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
18.04 bionic slapd –  2.4.45+dfsg-1ubuntu1.11+esm1  
16.04 xenial slapd –  2.4.42+dfsg-2ubuntu3.13+esm2  
14.04 trusty slapd –  2.4.31-1+nmu2ubuntu8.5+esm6  

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References

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