WebKitGTK and WPE WebKit Security Advisory WSA-2023-0008

• Date Reported: September 11, 2023

• Advisory ID: WSA-2023-0008

• CVE identifiers: CVE-2023-28198, CVE-2023-32370, CVE-2023-40397.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

• CVE-2023-28198

  • Versions affected: WebKitGTK and WPE WebKit before 2.40.1.
  • Credit to hazbinhotel working with Trend Micro Zero Day Initiative.
  • Impact: Processing web content may lead to arbitrary code execution. Description: A use-after-free issue was addressed with improved memory management.

• CVE-2023-32370

  • Versions affected: WebKitGTK and WPE WebKit before 2.40.1.
  • Credit to Gertjan Franken of imec-DistriNet, KU Leuven.
  • Impact: Content Security Policy to block domains with wildcards may fail. Description: A logic issue was addressed with improved validation.

• CVE-2023-40397

  • Versions affected: WebKitGTK and WPE WebKit before 2.40.5.
  • Credit to Johan Carlsson (joaxcar).
  • Impact: A remote attacker may be able to cause arbitrary javascript code execution. Description: The issue was addressed with improved checks.

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/.