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CVE-2019-17021

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.

POC

Reference

- http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html

- https://bugzilla.mozilla.org/show_bug.cgi?id=1599008

Github

No PoCs found on GitHub currently.