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USN-6197-1: OpenLDAP vulnerability

3 July 2023

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

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

  • USN-6616-1: slapd, slapd-smbk5pwd, openldap, libldap-dev, libldap-2.4-2, libldap-2.5-0, ldap-utils, libldap2-dev, slapd-contrib, slapi-dev, libldap-common