Use-after-free in WebKitGTK+ and WPE WebKit - CVE-2023-28205

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content in WebKit. A remote attacker can trick the victim to open a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

How to mitigate CVE-2023-28205

Sources

• https://support.apple.com/en-us/HT213722
• https://support.apple.com/en-us/HT213720
• https://support.apple.com/en-us/HT213721
• https://webkitgtk.org/security/WSA-2023-0003.html