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Ubuntu 19.04: USN-4216-1 Critical: Firefox Code Execution Risks

ubuntu
Calendar Grey December 9, 2019
Dist Ubuntu Esm H88
Upgrade Firefox on Ubuntu to address vulnerabilities related to system instability and potential remote code execution threats from harmful web pages.
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 in to opening a specially crafted website, an attacker could

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

information, or execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service code execution firefox ubuntu

Update Instructions

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

Ubuntu 19.10:
  firefox                         71.0+build5-0ubuntu0.19.10.1

Ubuntu 19.04:
  firefox                         71.0+build5-0ubuntu0.19.04.1

Ubuntu 18.04 LTS:
  firefox                         71.0+build5-0ubuntu0.18.04.1

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

References

https://ubuntu.com/security/notices/USN-4216-1

CVE-2019-11745, CVE-2019-11756, CVE-2019-17005, CVE-2019-17008,

CVE-2019-17010, CVE-2019-17011, CVE-2019-17012, CVE-2019-17013,

CVE-2019-17014

Severity
critical
Lowest
Low
Medium
High
Critical

December 09, 2019

Topics%20covered

Topics Covered

security advisory denial of service code execution firefox ubuntu

Package Information

https://launchpad.net/ubuntu/+source/firefox/71.0+build5-0ubuntu0.19.10.1
https://launchpad.net/ubuntu/+source/firefox/71.0+build5-0ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/firefox/71.0+build5-0ubuntu0.18.04.1

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