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Message-ID: <d715b87f-7b4c-e566-fb3c-92b495c0fedc@igalia.com>
Date: Mon, 29 Mar 2021 23:38:05 +0200
From: Carlos Alberto Lopez Perez <clopez@...lia.com>
To: webkit-gtk@...ts.webkit.org, webkit-wpe@...ts.webkit.org
Cc: security@...kit.org, distributor-list@...me.org,
oss-security@...ts.openwall.com, bugtraq@...urityfocus.com
Subject: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0003
------------------------------------------------------------------------
WebKitGTK and WPE WebKit Security Advisory WSA-2021-0003
------------------------------------------------------------------------
Date reported : March 29, 2021
Advisory ID : WSA-2021-0003
WebKitGTK Advisory URL : https://webkitgtk.org/security/WSA-2021-0003.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2021-0003.html
CVE identifiers : CVE-2021-1788, CVE-2021-1844, CVE-2021-1871.
Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.
CVE-2021-1788
Versions affected: WebKitGTK before 2.32.0 and WPE WebKit before 2.32.0.
Credit to Francisco Alonso (@revskills).
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A use after free issue was
addressed with improved memory management.
CVE-2021-1844
Versions affected: WebKitGTK before 2.32.0 and WPE WebKit before 2.32.0.
Credit to Clément Lecigne of Google’s Threat Analysis Group, Alison
Huffman of Microsoft Browser Vulnerability Research.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A memory corruption issue was
addressed with improved validation.
CVE-2021-1871
Versions affected: WebKitGTK before 2.32.0 and WPE WebKit before 2.32.0.
Credit to an anonymous researcher.
Impact: A remote attacker may be able to cause arbitrary code
execution. Apple is aware of a report that this issue may have been
actively exploited. Description: A logic issue was addressed with
improved restrictions.
We recommend updating to the latest stable versions of WebKitGTK and WPE
WebKit. It is the best way to ensure that you are running safe versions
of WebKit. Please check our websites for information about the latest
stable releases.
Further information about WebKitGTK and WPE WebKit security advisories
can be found at: https://webkitgtk.org/security.html or
https://wpewebkit.org/security/.
The WebKitGTK and WPE WebKit team,
March 29, 2021
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