WebKitGTK and WPE WebKit Security Advisory WSA-2022-0009

[Carlos Alberto Lopez Perez <clopez igalia com>]

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WebKitGTK and WPE WebKit Security Advisory                 WSA-2022-0009
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Date reported           : September 19, 2022
Advisory ID             : WSA-2022-0009
WebKitGTK Advisory URL  : https://webkitgtk.org/security/WSA-2022-0009.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2022-0009.html
CVE identifiers         : CVE-2022-32886, CVE-2022-32891,
                          CVE-2022-32912.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

CVE-2022-32886
    Versions affected: WebKitGTK and WPE WebKit before 2.36.8.
    Credit to P1umer, afang5472, xmzyshypnc.
    Impact: Processing maliciously crafted web content may lead to
    arbitrary code execution. Description: A buffer overflow issue was
    addressed with improved memory handling.

CVE-2022-32891
    Versions affected: WebKitGTK and WPE WebKit before 2.36.5.
    Credit to @real_as3617, an anonymous researcher.
    Impact: Visiting a website that frames malicious content may lead to
    UI spoofing. Description: The issue was addressed with improved UI
    handling.

CVE-2022-32912
    Versions affected: WebKitGTK and WPE WebKit before 2.36.8.
    Credit to Jeonghoon Shin (@singi21a) at Theori working with Trend
    Micro Zero Day Initiative.
    Impact: Processing maliciously crafted web content may lead to
    arbitrary code execution. Description: An out-of-bounds read was
    addressed with improved bounds checking.


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 19, 2022