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AUSCERT External Security Bulletin Redistribution
ESB-2019.2195
USN-4020-1: Firefox vulnerability
20 June 2019
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AusCERT Security Bulletin Summary
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Product: firefox
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-11707
Reference: ASB-2019.0166
ESB-2019.2158
Original Bulletin:
https://usn.ubuntu.com/4020-1/
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USN-4020-1: Firefox vulnerability
19 June 2019
firefox vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.10
o Ubuntu 18.04 LTS
o 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
o firefox - Mozilla Open Source web browser
Details
A type confusion bug was discovered in Firefox. If a user were tricked in to
opening a specially crafted website, an attacker could exploit this by causing
a denial of service, or executing arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 19.04
firefox - 67.0.3+build1-0ubuntu0.19.04.1
Ubuntu 18.10
firefox - 67.0.3+build1-0ubuntu0.18.10.1
Ubuntu 18.04 LTS
firefox - 67.0.3+build1-0ubuntu0.18.04.1
Ubuntu 16.04 LTS
firefox - 67.0.3+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
o CVE-2019-11707
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