========================================================================== Ubuntu Security Notice USN-3897-1 February 26, 2019
thunderbird vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Thunderbird. Software Description: - thunderbird: Mozilla Open Source mail and newsgroup client Details: A use-after-free was discovered in libical. If a user were tricked in to opening a specially crafted ICS calendar file, an attacker could potentially exploit this to cause a denial of service. (CVE-2016-5824) Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code. (CVE-2018-18356, CVE-2018-18500, CVE-2019-5785) Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, gain additional privileges by escaping the sandbox, or execute arbitrary code. (CVE-2018-18501, CVE-2018-18505) An issue was discovered with S/MIME signature verification in some circumstances. An attacker could potentially exploit this by spoofing signatures for arbitrary content. (CVE-2018-18509) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: thunderbird 1:60.5.1+build2-0ubuntu0.18.10.1 Ubuntu 18.04 LTS: thunderbird 1:60.5.1+build2-0ubuntu0.18.04.1 Ubuntu 16.04 LTS: thunderbird 1:60.5.1+build2-0ubuntu0.16.04.1 Ubuntu 14.04 LTS: thunderbird 1:60.5.1+build2-0ubuntu0.14.04.1 After a standard system update you need to restart Thunderbird to make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3897-1 CVE-2016-5824, CVE-2018-18356, CVE-2018-18500, CVE-2018-18501, CVE-2018-18505, CVE-2018-18509, CVE-2019-5785 Package Information: https://launchpad.net/ubuntu/+source/thunderbird/1:60.5.1+build2-0ubuntu0.18.10.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.5.1+build2-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.5.1+build2-0ubuntu0.16.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.5.1+build2-0ubuntu0.14.04.1
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