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USN-4634-2: OpenLDAP vulnerabilities

23 November 2020

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

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Releases

Packages

  • openldap - Lightweight Directory Access Protocol

Details

USN-4634-1 fixed several vulnerabilities in OpenLDAP. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that OpenLDAP incorrectly handled certain malformed
inputs. A remote attacker could possibly use this issue to cause OpenLDAP
to crash, resulting in 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 14.04
Ubuntu 12.04

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

References

Related notices

  • USN-4634-1: openldap, slapd, slapd-smbk5pwd, libldap-common, ldap-utils, slapi-dev, libldap2-dev, slapd-contrib, libldap-2.4-2

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Further reading