CVE-2018-5129

High

Description

A lack of parameter validation on IPC messages results in a potential out-of-bounds write through malformed IPC messages. This can potentially allow for sandbox escape through memory corruption in the parent process. This vulnerability affects Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox < 59.

SeverityHigh
CVSS8.6
Exploit probability88. percentile3%
ProductMozilla Firefox
PublishedJun 11, 2018
First seenJun 11, 2018

How to fix

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 59.0, v < 52.7.059.0, 52.7.0
debian debian_linux7.0, 8.0, 9.0—
redhat enterprise_linux_desktop6.0, 7.0—
redhat enterprise_linux_server6.0, 7.0—
redhat enterprise_linux_server_aus7.4—
redhat enterprise_linux_server_eus7.4, 7.5—
redhat enterprise_linux_workstation6.0, 7.0—
canonical ubuntu_linux14.04, 16.04, 17.10—
mozilla thunderbirdv < 52.7.052.7.0

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