CVE-2022-29536

Epiphany is the web browser for the GNOME desktop. Its goal is to be simple and easy to use. Epiphany ties together many GNOME components in order to let you focus on the Web content, instead of the browser application.

Security Fix(es):

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an about: page, as demonstrated by ephy-about:overview when a user visits an XSS payload page often enough to place that page on the Most Visited list.(CVE-2021-45085)

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 because a server s suggested_filename is used as the pdf_name value in PDF.js.(CVE-2021-45086)

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader mode is used, as demonstrated by a a page title.(CVE-2021-45087)

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an error page.(CVE-2021-45088)

In GNOME Epiphany before 41.4 and 42.x before 42.2, an HTML document can trigger a client buffer overflow (in ephy_string_shorten in the UI process) via a long page title. The issue occurs because the number of bytes for a UTF-8 ellipsis character is not properly considered.(CVE-2022-29536)

In GNOME Epiphany before 41.4 and 42.x before 42.2, an HTML document can trigger a client buffer overflow (in ephy_string_shorten in the UI process) via a long page title. The issue occurs because the number of bytes for a UTF-8 ellipsis character is not properly considered.

In GNOME Epiphany before 41.4 and 42.x before 42.2, an HTML document can trigger a client buffer overflow (in ephy_string_shorten in the UI process) via a long page title. The issue occurs because the number of bytes for a UTF-8 ellipsis character is not properly considered.

In GNOME Epiphany before 41.4 and 42.x before 42.2, an HTML document can trigger a client buffer overflow (in ephy_string_shorten in the UI process) via a long page title. The issue occurs because the number of bytes for a UTF-8 ellipsis character is not properly considered. (CVE-2022-29536)

These are all security issues fixed in the epiphany-42.2-1.1 package on the GA media of openSUSE Tumbleweed.

It was discovered that GNOME Web incorrectly filtered certain strings. A remote attacker could use this issue to perform cross-site scripting (XSS) attacks. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-45085, CVE-2021-45086, CVE-2021-45087)

It was discovered that GNOME Web incorrectly handled certain long page titles. A remote attacker could use this issue to cause GNOME Web to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-29536)