This update for webkit2gtk3 to version 2.28.1 fixes the following issues:
Security issues fixed:
- CVE-2020-10018: Fixed a denial of service because the m_deferredFocusedNodeChange data structure was mishandled (bsc#1165528).
- CVE-2020-11793: Fixed a potential arbitrary code execution caused by a use-after-free vulnerability (bsc#1169658).
- CVE-2019-8835: Fixed multiple memory corruption issues (bsc#1161719).
- CVE-2019-8844: Fixed multiple memory corruption issues (bsc#1161719).
- CVE-2019-8846: Fixed a use-after-free issue (bsc#1161719).
- CVE-2020-3862: Fixed a memory handling issue (bsc#1163809).
- CVE-2020-3867: Fixed an XSS issue (bsc#1163809).
- CVE-2020-3868: Fixed multiple memory corruption issues that could have lead to arbitrary code execution (bsc#1163809).
- CVE-2020-3864,CVE-2020-3865: Fixed logic issues in the DOM object context handling (bsc#1163809).
Non-security issues fixed:
- Add API to enable Process Swap on (Cross-site) Navigation.
- Add user messages API for the communication with the web extension.
- Add support for same-site cookies.
- Service workers are enabled by default.
- Add support for Pointer Lock API.
- Add flatpak sandbox support.
- Make ondemand hardware acceleration policy never leave accelerated compositing mode.
- Always use a light theme for rendering form controls.
- Add about:gpu to show information about the graphics stack.
- Fixed issues while trying to play a video on NextCloud.
- Fixed vertical alignment of text containing arabic diacritics.
- Fixed build with icu 65.1.
- Fixed page loading errors with websites using HSTS.
- Fixed web process crash when displaying a KaTeX formula.
- Fixed several crashes and rendering issues.
- Switched to a single web process for Evolution and geary (bsc#1159329).