WebKitGTK and WPE WebKit Security Advisory WSA-2020-0001

• Date Reported: January 23, 2020

• Advisory ID: WSA-2020-0001

• CVE identifiers: CVE-2019-8835, CVE-2019-8844, CVE-2019-8846.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

• CVE-2019-8835
  • Versions affected: WebKitGTK before 2.26.3 and WPE WebKit before 2.26.3.
  • Credit to Anonymous working with Trend Micro’s Zero Day Initiative, Mike Zhang of Pangu Team.
  • Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: Multiple memory corruption issues were addressed with improved memory handling.
• CVE-2019-8844
  • Versions affected: WebKitGTK before 2.26.3 and WPE WebKit before 2.26.3.
  • Credit to William Bowling (@wcbowling).
  • Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: Multiple memory corruption issues were addressed with improved memory handling.
• CVE-2019-8846
  • Versions affected: WebKitGTK before 2.26.3 and WPE WebKit before 2.26.3.
  • Credit to Marcin Towalski of Cisco Talos.
  • Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: A use after free issue was addressed with improved memory management.

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/.