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AUSCERT Security Bulletin
Mozilla Foundation Security Advisory 2018-05
30 January 2018
AusCERT Security Bulletin Summary
Product: Mozilla Firefox
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
CVE Names: CVE-2018-5124
Member content until: Thursday, March 1 2018
A critical vulnerability has been identified in Mozilla Firefox prior
to version 58.0.1. 
Mozilla have provided the following details regarding the
"Arbitrary code execution through unsanitized browser UI
ANNOUNCED January 29, 2018
REPORTER Johann Hofmann
FIXED IN Firefox 58.0.1
Mozilla developer Johann Hofmann reported that unsanitized output in
the browser UI can lead to arbitrary code execution.
This issue did not affect Firefox for Android or Firefox 52 ESR."
Users are advised to update to the latest versions to address these
 Mozilla Foundation Security Advisory 2018-05
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
Australian Computer Emergency Response Team
The University of Queensland
Internet Email: firstname.lastname@example.org
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
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On call after hours for member emergencies only.
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