WebKitGTK and WPE WebKit Security Advisory WSA-2022-0009

• Date Reported: September 19, 2022

• Advisory ID: WSA-2022-0009

• 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. This issue only affects MacOS builds (Linux builds are not affected).

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/.