CVE-2019-17021

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.9%

exploitation probability

1.9%top 22% of all CVEs

observed exploitation

nono source reports it

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.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html https://bugzilla.mozilla.org/show_bug.cgi?id=1599008 https://seclists.org/bugtraq/2020/Jan/18 https://www.mozilla.org/security/advisories/mfsa2020-01/https://www.mozilla.org/security/advisories/mfsa2020-02/