USN-4317-1: Firefox vulnerabilities

firefox vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 19.10
Ubuntu 18.04 LTS
Ubuntu 16.04 LTS

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

Two use-after-free bugs were discovered in Firefox. If a user were tricked
in to opening a specially crafted website, an attacker could exploit these
to cause a denial of service or execute arbitrary code.

Update instructions

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

Ubuntu 19.10: firefox – 74.0.1+build1-0ubuntu0.19.10.1
Ubuntu 18.04 LTS: firefox – 74.0.1+build1-0ubuntu0.18.04.1
Ubuntu 16.04 LTS: firefox – 74.0.1+build1-0ubuntu0.16.04.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-4317-1: Firefox vulnerabilities

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