USN-4599-2: Firefox vulnerabilities

26 October 2020

Firefox could be made to crash or run programs as your login if it opened a malicious website.

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Releases

Packages

  • 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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 16.04

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

References

Related notices

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