WebKitGTK and WPE WebKit Security Advisory WSA-2025-0007

[Adrian Perez de Castro <aperez () igalia com>]

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WebKitGTK and WPE WebKit Security Advisory                 WSA-2025-0007
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Date reported           : October 13, 2025
Advisory ID             : WSA-2025-0007
WebKitGTK Advisory URL  : https://webkitgtk.org/security/WSA-2025-0007.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2025-0007.html
CVE identifiers         : CVE-2025-43343.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

CVE-2025-43343
    Versions affected: WebKitGTK and WPE WebKit before 2.50.1.
    Credit to an anonymous researcher.
    Impact: Processing maliciously crafted web content may lead to an
    unexpected process crash. Description: The issue was addressed with
    improved memory handling.
    WebKit Bugzilla: 296490

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,

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