USN-4278-1: Firefox vulnerabilities

USN-4278-1: Firefox vulnerabilities

firefox vulnerabilities

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

• Ubuntu 19.10
• Ubuntu 18.04 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

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, conduct cross-site scripting
(XSS) attacks, or execute arbitrary code.

Update instructions

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

Ubuntu 19.10

firefox – 73.0+build3-0ubuntu0.19.10.1

Ubuntu 18.04 LTS

firefox – 73.0+build3-0ubuntu0.18.04.1

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

• CVE-2020-6796
• CVE-2020-6798
• CVE-2020-6800
• CVE-2020-6801

Source: USN-4278-1: Firefox vulnerabilities