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Ubuntu Security Notice USN-4278-1

Ubuntu Security Notice USN-4278-1
Posted Feb 14, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4278-1 - 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 attacks, or execute arbitrary code.

tags | advisory, denial of service, arbitrary, xss
systems | linux, ubuntu
advisories | CVE-2020-6796
MD5 | bd1bce211d3f89848ba40701fd31747e

Ubuntu Security Notice USN-4278-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4278-1
February 13, 2020

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

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

References:
https://usn.ubuntu.com/4278-1
CVE-2020-6796, CVE-2020-6798, CVE-2020-6800, CVE-2020-6801

Package Information:
https://launchpad.net/ubuntu/+source/firefox/73.0+build3-0ubuntu0.19.10.1
https://launchpad.net/ubuntu/+source/firefox/73.0+build3-0ubuntu0.18.04.1

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