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Ubuntu 21.10: USN-5475-1 Critical Firefox Security Issue Exploits

ubuntu
Calendar Grey June 13, 2022
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-5475-1 tackles vulnerabilities in Firefox; severe problems could result in crashes and execution of unwanted code.
Firefox could be made to crash or run programs as your login if it opened a malicious website.

Summary

Firefox could be made to crash or run programs as your login if it

opened a malicious website.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

Multiple security issues were discovered in Firefox. If a user were

tricked into opening a specially crafted website, an attacker could

potentially exploit these to cause a denial of service, obtain sensitive

information, spoof the browser UI, conduct cross-site scripting (XSS)

attacks, bypass content security policy (CSP) restrictions, or execute

arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service critical issue code execution firefox ubuntu browser exploit

Update Instructions

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

Ubuntu 21.10:
  firefox                         101.0.1+build1-0ubuntu0.21.10.1

Ubuntu 20.04 LTS:
  firefox                         101.0.1+build1-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  firefox                         101.0.1+build1-0ubuntu0.18.04.1

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

References

https://ubuntu.com/security/notices/USN-5475-1

CVE-2022-1919, CVE-2022-31736, CVE-2022-31737, CVE-2022-31738,

CVE-2022-31740, CVE-2022-31741, CVE-2022-31742, CVE-2022-31743,

CVE-2022-31744, CVE-2022-31745, CVE-2022-31747, CVE-2022-31748

Severity
critical
Lowest
Low
Medium
High
Critical

June 13, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical issue code execution firefox ubuntu browser exploit

Package Information

https://launchpad.net/ubuntu/+source/firefox/101.0.1+build1-0ubuntu0.21.10.1
https://launchpad.net/ubuntu/+source/firefox/101.0.1+build1-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/firefox/101.0.1+build1-0ubuntu0.18.04.1

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