========================================================================== Ubuntu Security Notice USN-5508-1 July 11, 2022
python-ldap vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 21.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Python LDAP could be made to denial of service if it received a specially crafted regular expression. Software Description: - python-ldap: LDAP interface module for Python3 Details: It was discovered that Python LDAP incorrectly handled certain regular expressions. An remote attacker could possibly use this issue to cause a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: python3-ldap 3.2.0-4ubuntu7.1 python3-pyldap 3.2.0-4ubuntu7.1 Ubuntu 21.10: python3-ldap 3.2.0-4ubuntu5.1 python3-pyldap 3.2.0-4ubuntu5.1 Ubuntu 20.04 LTS: python3-ldap 3.2.0-4ubuntu2.1 python3-pyldap 3.2.0-4ubuntu2.1 Ubuntu 18.04 LTS: python-ldap 3.0.0-1ubuntu0.2 python-pyldap 3.0.0-1ubuntu0.2 python3-ldap 3.0.0-1ubuntu0.2 python3-pyldap 3.0.0-1ubuntu0.2 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5508-1 CVE-2021-46823 Package Information: https://launchpad.net/ubuntu/+source/python-ldap/3.2.0-4ubuntu7.1 https://launchpad.net/ubuntu/+source/python-ldap/3.2.0-4ubuntu5.1 https://launchpad.net/ubuntu/+source/python-ldap/3.2.0-4ubuntu2.1 https://launchpad.net/ubuntu/+source/python-ldap/3.0.0-1ubuntu0.2
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