========================================================================= Ubuntu Security Notice USN-4962-1 May 19, 2021 python-babel vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.04 - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 ESM - Ubuntu 14.04 ESM Summary: Babel code be made to execute arbitrary code if it received a specially crafted input. Software Description: - python-babel: tools for internationalizing Python applications Details: It was discovered that Babel incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: python-babel-localedata 2.8.0+dfsg.1-6ubuntu0.1 python3-babel 2.8.0+dfsg.1-6ubuntu0.1 Ubuntu 20.10: python-babel-localedata 2.8.0+dfsg.1-4ubuntu0.1 python3-babel 2.8.0+dfsg.1-4ubuntu0.1 Ubuntu 20.04 LTS: python-babel 2.6.0+dfsg.1-1ubuntu2.2 python-babel-localedata 2.6.0+dfsg.1-1ubuntu2.2 python3-babel 2.6.0+dfsg.1-1ubuntu2.2 Ubuntu 18.04 LTS: python-babel 2.4.0+dfsg.1-2ubuntu1.1 python-babel-localedata 2.4.0+dfsg.1-2ubuntu1.1 python3-babel 2.4.0+dfsg.1-2ubuntu1.1 Ubuntu 16.04 ESM: python-babel 1.3+dfsg.1-6ubuntu0.1~esm1 python-babel-localedata 1.3+dfsg.1-6ubuntu0.1~esm1 python3-babel 1.3+dfsg.1-6ubuntu0.1~esm1 Ubuntu 14.04 ESM: python-babel 1.3+dfsg.1-2ubuntu2+esm1 python-babel-localedata 1.3+dfsg.1-2ubuntu2+esm1 python3-babel 1.3+dfsg.1-2ubuntu2+esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4962-1 CVE-2021-20095 Package Information: https://launchpad.net/ubuntu/+source/python-babel/2.8.0+dfsg.1-6ubuntu0.1 https://launchpad.net/ubuntu/+source/python-babel/2.8.0+dfsg.1-4ubuntu0.1 https://launchpad.net/ubuntu/+source/python-babel/2.6.0+dfsg.1-1ubuntu2.2 https://launchpad.net/ubuntu/+source/python-babel/2.4.0+dfsg.1-2ubuntu1.1