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[oss-security] WebKitGTK and WPE WebKit Security Advisory WSA-2021-0005



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WebKitGTK and WPE WebKit Security Advisory                 WSA-2021-0005
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Date reported           : September 20, 2021
Advisory ID             : WSA-2021-0005
WebKitGTK Advisory URL  : https://webkitgtk.org/security/WSA-2021-0005.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2021-0005.html
CVE identifiers         : CVE-2021-30858.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

CVE-2021-30858
    Versions affected: WebKitGTK and WPE WebKit before 2.32.4.
    Credit to an anonymous researcher.
    Impact: Processing maliciously crafted web content may lead to
    arbitrary code execution. Apple is aware of a report that this issue
    may have been actively exploited. Description: A use after free
    issue 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: https://webkitgtk.org/security.html or
https://wpewebkit.org/security/.

The WebKitGTK and WPE WebKit team,
September 20, 2021