========================================================================= Ubuntu Security Notice USN-4622-2 November 11, 2020 openldap vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM Summary: OpenLDAP could be made to crash or run programs if it received specially crafted network traffic. Software Description: - openldap: Lightweight Directory Access Protocol Details: USN-4622-1 fixed a vulnerability 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 network packets. A remote attacker could use this issue to cause OpenLDAP to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM: slapd 2.4.31-1+nmu2ubuntu8.5+esm3 Ubuntu 12.04 ESM: slapd 2.4.28-1.1ubuntu4.11 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4622-2 https://usn.ubuntu.com/4622-1 CVE-2020-25692