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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --5YN24tAuCxrIfDhf3ntf8GpLOUBBI3N1t Content-Type: multipart/mixed; boundary="KPGExAeVhpL8cCvFgdP2OSsYOsn8Uh8UF"; protected-headers="v1" From: Marc Deslauriers <marc.deslauriers@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: ubuntu-security-announce@lists.ubuntu.com Message-ID: <bfae5492-6e9f-12d7-5987-ebb2664baf82@canonical.com> Subject: [USN-3948-1] WebKitGTK+ vulnerabilities
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========================================================================== Ubuntu Security Notice USN-3948-1 April 16, 2019
webkit2gtk vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10 - Ubuntu 18.04 LTS
Summary:
Several security issues were fixed in WebKitGTK+.
Software Description: - webkit2gtk: Web content engine library for GTK+
Details:
A large number of security issues were discovered in the WebKitGTK+ Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.10: libjavascriptcoregtk-4.0-18 2.24.1-0ubuntu0.18.10.2 libwebkit2gtk-4.0-37 2.24.1-0ubuntu0.18.10.2
Ubuntu 18.04 LTS: libjavascriptcoregtk-4.0-18 2.24.1-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 2.24.1-0ubuntu0.18.04.1
This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart any applications that use WebKitGTK+, such as Epiphany, to make all the necessary changes.
References: https://usn.ubuntu.com/usn/usn-3948-1 CVE-2019-11070, CVE-2019-6251, CVE-2019-8375, CVE-2019-8506, CVE-2019-8518, CVE-2019-8523, CVE-2019-8524, CVE-2019-8535, CVE-2019-8536, CVE-2019-8544, CVE-2019-8551, CVE-2019-8558, CVE-2019-8559, CVE-2019-8563
Package Information: https://launchpad.net/ubuntu/+source/webkit2gtk/2.24.1-0ubuntu0.18.10.2 https://launchpad.net/ubuntu/+source/webkit2gtk/2.24.1-0ubuntu0.18.04.1
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