USN-5561-1: GNOME Web vulnerabilities

Publication date

10 August 2022

Overview

Several security issues were fixed in GNOME Web.


Packages

Details

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)

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)

Update instructions

After a standard system update you need to restart GNOME Web to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
22.04 LTS jammy epiphany-browser –  42.1-1ubuntu1
20.04 LTS focal epiphany-browser –  3.36.4-0ubuntu2

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