CVE-2019-17021

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.

CVSS v3.1

5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v2.0

2.6 LOWAV:N/AC:H/Au:N/C:P/I:N/A:N

EPSS

1.87% chance of exploitation in the next 30 days, 78th percentile

Published

2020-01-08

Updated

2024-08-05

Proof-of-concept exploits (2)

• http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbi…
• https://bugzilla.mozilla.org/show_bug.cgi?id=1599008

References

• CVE Record
• NVD entry

Related

• CVE-2019-17003
• CVE-2019-17024
• CVE-2019-16999
• CVE-2019-17026
• CVE-2019-16997
• CVE-2019-17041