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Ubuntu 16.04 LTS, 16.10 USN-3257-1 Critical WebKitGTK+ Exploits

ubuntu
Calendar Grey April 10, 2017
Dist Ubuntu Esm H88
The updates for WebKitGTK+ in Ubuntu versions 16.04 LTS and 16.10 tackle several urgent web safety concerns.
Several security issues were fixed in WebKitGTK+.

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.

Topics%20covered

Topics Covered

security advisory denial of service critical exploit web security ubuntu webkitgtk

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.10:
  libjavascriptcoregtk-4.0-18     2.16.1-0ubuntu0.16.10.1
  libwebkit2gtk-4.0-37            2.16.1-0ubuntu0.16.10.1

Ubuntu 16.04 LTS:
  libjavascriptcoregtk-4.0-18     2.16.1-0ubuntu0.16.04.1
  libwebkit2gtk-4.0-37            2.16.1-0ubuntu0.16.04.1

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://ubuntu.com/security/notices/USN-3257-1

CVE-2016-9642, CVE-2016-9643, CVE-2017-2364, CVE-2017-2367,

CVE-2017-2376, CVE-2017-2377, CVE-2017-2386, CVE-2017-2392,

CVE-2017-2394, CVE-2017-2395, CVE-2017-2396, CVE-2017-2405,

CVE-2017-2415, CVE-2017-2419, CVE-2017-2433, CVE-2017-2442,

CVE-2017-2445, CVE-2017-2446, CVE-2017-2447, CVE-2017-2454,

CVE-2017-2455, CVE-2017-2457, CVE-2017-2459, CVE-2017-2460,

CVE-2017-2464, CVE-2017-2465, CVE-2017-2466, CVE-2017-2468,

CVE-2017-2469, CVE-2017-2470, CVE-2017-2471, CVE-2017-2475,

CVE-2017-2476, CVE-2017-2481

Severity
critical
Lowest
Low
Medium
High
Critical

April 10, 2017

Topics%20covered

Topics Covered

security advisory denial of service critical exploit web security ubuntu webkitgtk

Package Information

https://launchpad.net/ubuntu/+source/webkit2gtk/2.16.1-0ubuntu0.16.10.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.16.1-0ubuntu0.16.04.1

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