CVE-2018-12390

Critical

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. 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 < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.

SeverityCritical
CVSS9.8
Exploit probability—
ProductMozilla Firefox
PublishedFeb 28, 2019
First seenFeb 28, 2019

How to fix

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 60.3.0, v < 63.060.3.0, 63.0
mozilla thunderbirdv < 60.3.060.3.0
debian debian_linux8.0, 9.0—
canonical ubuntu_linux14.04, 16.04, 18.04, 18.10—
redhat enterprise_linux_desktop6.0, 7.0—
redhat enterprise_linux_server6.0, 7.0—
redhat enterprise_linux_server_aus7.6—
redhat enterprise_linux_server_eus7.5, 7.6—
redhat enterprise_linux_server_tus7.6—
redhat enterprise_linux_workstation6.0, 7.0—

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