Rapid7’s 2026 Global Cybersecurity Summit is now available on-demand.Watch sessions.
Rapid7

vulnerability

Oracle Solaris 11: CVE-2019-17021: Vulnerability in Firefox, Thunderbird

Severity
3
CVSS
(AV:N/AC:H/Au:N/C:P/I:N/A:N)
Published
Jan 8, 2020
Added
Jan 19, 2021
Modified
Feb 17, 2022

Description

During the initialization of a new content process, a race condition occurs that can allow a content process to disclose heap addresses from the parent process. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.

Solutions

oracle-solaris-11-4-upgrade-mail-thunderbird-68-4-1-11-4-18-0-1-3-0oracle-solaris-11-4-upgrade-mail-thunderbird-plugin-thunderbird-lightning-68-4-1-11-4-18-0-1-3-0oracle-solaris-11-4-upgrade-web-browser-firefox-68-4-1-11-4-18-0-1-3-0oracle-solaris-11-4-upgrade-web-data-firefox-bookmarks-68-4-1-11-4-18-0-1-3-0
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.