CVE-2018-5186

Critical

Description

Memory safety bugs present in Firefox 60. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 61.

SeverityCritical

CVSS9.8

Exploit probability—

Product

Mozilla Firefox

PublishedOct 18, 2018

First seenOct 18, 2018

How to fix

Update

mozilla firefox61.0 or later

Vendor advisories

security.gentoo.org/glsa/201810-01
usn.ubuntu.com/3705-1/

Affected products

Product	Affected versions	Fixed in
mozilla firefox	v < 61.0	61.0
canonical ubuntu_linux	14.04, 16.04, 17.10, 18.04	—

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