Ubuntu 5561-1: GNOME Web vulnerabilities | LinuxSecurity.com
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Ubuntu Security Notice USN-5561-1
August 10, 2022

epiphany-browser vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in GNOME Web.

Software Description:
- epiphany-browser: Intuitive GNOME web browser

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)

Update instructions:

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

Ubuntu 22.04 LTS:
  epiphany-browser                42.1-1ubuntu1

Ubuntu 20.04 LTS:
  epiphany-browser                3.36.4-0ubuntu2

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

References:
  https://ubuntu.com/security/notices/USN-5561-1
  CVE-2021-45085, CVE-2021-45086, CVE-2021-45087, CVE-2022-29536

Package Information:
  https://launchpad.net/ubuntu/+source/epiphany-browser/42.1-1ubuntu1
  https://launchpad.net/ubuntu/+source/epiphany-browser/3.36.4-0ubuntu2

Ubuntu 5561-1: GNOME Web vulnerabilities

August 10, 2022

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in GNOME Web. Software Description: - epiphany-browser: Intuitive GNOME web browser 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)

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: epiphany-browser 42.1-1ubuntu1 Ubuntu 20.04 LTS: epiphany-browser 3.36.4-0ubuntu2 After a standard system update you need to restart GNOME Web to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5561-1

CVE-2021-45085, CVE-2021-45086, CVE-2021-45087, CVE-2022-29536

Severity
Ubuntu Security Notice USN-5561-1

Package Information

https://launchpad.net/ubuntu/+source/epiphany-browser/42.1-1ubuntu1 https://launchpad.net/ubuntu/+source/epiphany-browser/3.36.4-0ubuntu2

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