========================================================================== Ubuntu Security Notice USN-4011-2 June 06, 2019
jinja2 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM Summary: Several security issues were fixed in Jinja2. Software Description: - jinja2: small but fast and easy to use stand-alone template engine Details: USN-4011-1 fixed several vulnerabilities in Jinja2. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Olivier Dony discovered that Jinja incorrectly handled str.format. An attacker could possibly use this issue to escape the sandbox. (CVE-2016-10745) Brian Welch discovered that Jinja incorrectly handled str.format_map. An attacker could possibly use this issue to escape the sandbox. (CVE-2019-10906) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM: python-jinja2 2.7.2-2ubuntu0.1~esm1 python3-jinja2 2.7.2-2ubuntu0.1~esm1 Ubuntu 12.04 ESM: python-jinja2 2.6-1ubuntu0.2 python3-jinja2 2.6-1ubuntu0.2 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4011-2 https://usn.ubuntu.com/4011-1 CVE-2016-10745, CVE-2019-10906
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