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==========================================================================
Ubuntu Security Notice USN-2860-1
January 11, 2016

oxide-qt vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.10
- Ubuntu 15.04
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Oxide.

Software Description:
- oxide-qt: Web browser engine library for Qt (QML plugin)

Details:

A race condition was discovered in the MutationObserver implementation in
Blink. If a user were tricked in to opening a specially crafted website,
an attacker could potentially exploit this to cause a denial of service
via renderer crash, or execute arbitrary code with the privileges of the
sandboxed render process. (CVE-2015-6789)

An issue was discovered with the page serializer in Blink. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit this to inject arbitrary script or HTML.
(CVE-2015-6790)

Multiple security issues were discovered in Chromium. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to read uninitialized memory, cause a denial
of service via application crash or execute arbitrary code with the
privileges of the user invoking the program. (CVE-2015-6791)

Multiple security issues were discovered in V8. If a user were tricked
in to opening a specially crafted website, an attacker could potentially
exploit these to read uninitialized memory, cause a denial of service via
renderer crash or execute arbitrary code with the privileges of the
sandboxed render process. (CVE-2015-8548)

An integer overflow was discovered in the WebCursor::Deserialize function
in Chromium. If a user were tricked in to opening a specially crafted
website, an attacker could potentially exploit this to cause a denial of
service via application crash, or execute arbitrary code with the
privileges of the user invoking the program. (CVE-2015-8664)

Update instructions:

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

Ubuntu 15.10:
  liboxideqtcore0                 1.11.4-0ubuntu0.15.10.1

Ubuntu 15.04:
  liboxideqtcore0                 1.11.4-0ubuntu0.15.04.1

Ubuntu 14.04 LTS:
  liboxideqtcore0                 1.11.4-0ubuntu0.14.04.1

In general, a standard system update will make all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-2860-1
  CVE-2015-6789, CVE-2015-6790, CVE-2015-6791, CVE-2015-8548,
  CVE-2015-8664

Package Information:
  https://launchpad.net/ubuntu/+source/oxide-qt/1.11.4-0ubuntu0.15.10.1
  https://launchpad.net/ubuntu/+source/oxide-qt/1.11.4-0ubuntu0.15.04.1
  https://launchpad.net/ubuntu/+source/oxide-qt/1.11.4-0ubuntu0.14.04.1



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