========================================================================== Ubuntu Security Notice USN-4045-1 July 01, 2019
thunderbird vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 19.04 - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Several security issues were fixed in Thunderbird. Software Description: - thunderbird: Mozilla Open Source mail and newsgroup client Details: A type confusion bug was discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could exploit this by causing a denial of service, or executing arbirary code. (CVE-2019-11707) It was discovered that a sandboxed child process could open arbitrary web content in the parent process via the Prompt:Open IPC message. When combined with another vulnerability, an attacker could potentially exploit this to execute arbitrary code. (CVE-2019-11708) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04: thunderbird 1:60.7.2+build2-0ubuntu0.19.04.1 Ubuntu 18.10: thunderbird 1:60.7.2+build2-0ubuntu0.18.10.1 Ubuntu 18.04 LTS: thunderbird 1:60.7.2+build2-0ubuntu0.18.04.1 Ubuntu 16.04 LTS: thunderbird 1:60.7.2+build2-0ubuntu0.16.04.1 After a standard system update you need to restart Thunderbird to make all the necessary changes. References: https://usn.ubuntu.com/4045-1 CVE-2019-11707, CVE-2019-11708 Package Information: https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.2+build2-0ubuntu0.19.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.2+build2-0ubuntu0.18.10.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.2+build2-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.2+build2-0ubuntu0.16.04.1
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