CVE-2019-17024

Name: CVE-2019-17024
Creator: NVD / NIST
Published: 2020-01-08T22:15:12.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.46%

Last modified Jun 17, 2026

CVE-2019-17024 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Mozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. EPSS estimates a 2.46% chance of exploitation in the next 30 days.

Description

Mozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. 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

2.46%

82.4th 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
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	19.04
Canonical	Ubuntu Linux	19.10
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0
Redhat	Enterprise Linux	8.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Eus	7.7
Redhat	Enterprise Linux Eus	8.1
Redhat	Enterprise Linux Eus	8.2
Redhat	Enterprise Linux Eus	8.4
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.7
Redhat	Enterprise Linux Server Aus	8.2
Redhat	Enterprise Linux Server Aus	8.4
Redhat	Enterprise Linux Server Tus	7.7
Redhat	Enterprise Linux Server Tus	8.2
Redhat	Enterprise Linux Server Tus	8.4
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0
Opensuse	Leap	15.1

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.htmlExploit, Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2020:0085Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0086Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0111Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0120Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0123Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0127Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0292Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0295Third Party Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1507180%2C1595470%2C1598605%2C1601826Issue Tracking, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00005.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00016.htmlMailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/12Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/18Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/26Mailing List, Third Party Advisory
https://security.gentoo.org/glsa/202003-02Third Party Advisory
https://usn.ubuntu.com/4234-1/Third Party Advisory
https://usn.ubuntu.com/4241-1/Third Party Advisory
https://usn.ubuntu.com/4335-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4600Third Party Advisory
https://www.debian.org/security/2020/dsa-4603Third 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.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.htmlExploit, Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2020:0085Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0086Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0111Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0120Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0123Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0127Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0292Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0295Third Party Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1507180%2C1595470%2C1598605%2C1601826Issue Tracking, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00005.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00016.htmlMailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/12Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/18Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/26Mailing List, Third Party Advisory
https://security.gentoo.org/glsa/202003-02Third Party Advisory
https://usn.ubuntu.com/4234-1/Third Party Advisory
https://usn.ubuntu.com/4241-1/Third Party Advisory
https://usn.ubuntu.com/4335-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4600Third Party Advisory
https://www.debian.org/security/2020/dsa-4603Third 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-2019-17024?

How severe is CVE-2019-17024?

CVE-2019-17024 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.46% probability of exploitation in the next 30 days.

How do I fix CVE-2019-17024?

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-2019-17024?

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

Scan your code now

Source: NVD / NIST