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Date: Mon, 15 Feb 2021 16:26:27 +0100
From: Carlos Alberto Lopez Perez <>
Subject: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0001

WebKitGTK and WPE WebKit Security Advisory                 WSA-2021-0001

Date reported           : February 15, 2021
Advisory ID             : WSA-2021-0001
WebKitGTK Advisory URL  :
WPE WebKit Advisory URL :
CVE identifiers         : CVE-2020-13558.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

    Versions affected: WebKitGTK before 2.30.5 and WPE WebKit before 2.30.5.
    Credit to Marcin 'Icewall' Noga of Cisco Talos.
    Impact: Processing maliciously crafted web content may lead to
    arbitrary code execution. Description: An use after free issue in
    the AudioSourceProviderGStreamer class was addressed with improved
    memory management.

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: or

The WebKitGTK and WPE WebKit team,
February 15, 2021

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