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Ubuntu 16.04 LTS: USN-4599-2 Critical: Multiple Firefox Threats

ubuntu
Calendar Grey October 26, 2020
Dist Ubuntu Esm H88
Keep informed about Firefox security flaws in Ubuntu 16.04 LTS and implement updates to prevent possible breaches.
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:

USN-4599-1 fixed vulnerabilities in Firefox. This update provides the

corresponding updates for Ubuntu 16.04 LTS.

Original advisory details:

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

tricked in to opening a specially crafted website, an attacker could

potentially exploit these to cause a denial of service, spoof the prompt

for opening an external application, obtain sensitive information, or

execute

arbitrary code.

Topics%20covered

Topics Covered

security advisory remote code execution DoS Ubuntu firefox malicious website

Update Instructions

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

Ubuntu 16.04 LTS:
  firefox                         82.0+build2-0ubuntu0.16.04.5

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

References

https://ubuntu.com/security/notices/USN-4599-2

https://ubuntu.com/security/notices/USN-4599-1

CVE-2020-15254, CVE-2020-15680, CVE-2020-15681, CVE-2020-15682,

CVE-2020-15683, CVE-2020-15684, CVE-2020-15969

Severity
critical
Lowest
Low
Medium
High
Critical

October 26, 2020

Topics%20covered

Topics Covered

security advisory remote code execution DoS Ubuntu firefox malicious website

Package Information

https://launchpad.net/ubuntu/+source/firefox/82.0+build2-0ubuntu0.16.04.5

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