CVE-2020-12426

High

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 77. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 78.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Mozilla Firefox

PublishedJul 9, 2020

First seenJul 9, 2020

How to fix

Update

mozilla firefox78.0 or later

Vendor advisories

security.gentoo.org/glsa/202007-10

Affected products

Product	Affected versions	Fixed in
mozilla firefox	v < 78.0	78.0
opensuse leap	15.1, 15.2	—

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