CVE-2019-17015

Name: CVE-2019-17015
Creator: NVD / NIST
Published: 2020-01-08T22:15:12.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.81%

Last modified Jun 17, 2026

CVE-2019-17015 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. During the initialization of a new content process, a pointer offset can be manipulated leading to memory corruption and a potentially exploitable crash in the parent process. *Note: this issue only occurs on Windows. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

Description

During the initialization of a new content process, a pointer offset can be manipulated leading to memory corruption and a potentially exploitable crash in 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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.81%

75.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 72.0
Mozilla	Firefox Esr	< 68.4

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=1599005Permissions Required
https://seclists.org/bugtraq/2020/Jan/18Mailing List, Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-01/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-02/Vendor Advisory
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=1599005Permissions Required
https://seclists.org/bugtraq/2020/Jan/18Mailing List, Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-01/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-02/Vendor Advisory

Timeline

Published: Jan 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-17015?

How severe is CVE-2019-17015?

CVE-2019-17015 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.

How do I fix CVE-2019-17015?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-17015?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST