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CVE-2023-25361
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-25361 is a use-after-free vulnerability discovered in WebCore::RenderLayer::setNextSibling in WebKitGTK before version 2.36.8. This vulnerability was reported on April 21, 2023, as part of the WebKitGTK and WPE WebKit Security Advisory WSA-2023-0003 (WebKit Advisory).

Technical details

The vulnerability is a heap-use-after-free issue that occurs in the WebCore::RenderLayer::setNextSibling() function. The bug was initially reported on August 23, 2022, and affects the rendering engine's layer management system. The issue allows a write operation of size 8 bytes at a previously freed memory location, which can lead to memory corruption (WebKit Bug).

Impact

This vulnerability allows remote attackers to execute arbitrary code or cause a denial of service through memory corruption and application crash via a crafted website (WebKit Advisory).

Mitigation and workarounds

The vulnerability has been fixed in WebKitGTK version 2.36.8 and later releases. Users are recommended to update to the latest stable versions of WebKitGTK and WPE WebKit to ensure they are running secure versions (WebKit Advisory).

Additional resources


SourceThis report was generated using AI

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