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Published on August 10th, 2022 📆 | 8441 Views ⚑

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Ubuntu Security Notice USN-5561-1 – Torchsec


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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

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