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Date: Mon, 07 May 2018 09:53:04 -0500
From: Michael Catanzaro <mcatanzaro@...lia.com>
To: webkit-gtk@...ts.webkit.org
Cc: security@...kit.org, distributor-list@...me.org,
  oss-security@...ts.openwall.com, bugtraq@...urityfocus.com
Subject: WebKitGTK+ Security Advisory WSA-2018-0004

------------------------------------------------------------------------
WebKitGTK+ Security Advisory                               WSA-2018-0004
------------------------------------------------------------------------

Date reported      : May 07, 2018
Advisory ID        : WSA-2018-0004
Advisory URL       : https://webkitgtk.org/security/WSA-2018-0004.html
CVE identifiers    : CVE-2018-4121, CVE-2018-4200, CVE-2018-4204.

Several vulnerabilities were discovered in WebKitGTK+.

CVE-2018-4121
    Versions affected: WebKitGTK+ before 2.20.0.
    Credit to Natalie Silvanovich of Google Project Zero.
    Impact: Processing maliciously crafted web content may lead to
    arbitrary code execution. Description: Multiple memory corruption
    issues were addressed with improved memory handling.

CVE-2018-4200
    Versions affected: WebKitGTK+ before 2.20.2.
    Credit to Ivan Fratric of Google Project Zero.
    Impact: Processing maliciously crafted web content may lead to
    arbitrary code execution. Description: A memory corruption issue was
    addressed with improved state management.

CVE-2018-4204
    Versions affected: WebKitGTK+ before 2.20.1.
    Credit to Richard Zhu (fluorescence) working with Trend Micro's Zero
    Day Initiative, found by OSS-Fuzz.
    Impact: Processing maliciously crafted web content may lead to
    arbitrary code execution. Description: A memory corruption issue was
    addressed with improved memory handling.


We recommend updating to the last stable version of WebKitGTK+. It is
the best way of ensuring that you are running a safe version of
WebKitGTK+. Please check our website for information about the last
stable releases.

Further information about WebKitGTK+ Security Advisories can be found
at: https://webkitgtk.org/security.html

The WebKitGTK+ team,
May 07, 2018

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