CVE-2018-12392

Name: CVE-2018-12392
Creator: NVD / NIST
Published: 2019-02-28T18:29:00.57+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.43%

Last modified Jun 17, 2026

CVE-2018-12392 is a vulnerability of currently unknown severity. When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.. EPSS estimates a 3.43% chance of exploitation in the next 30 days.

Description

When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.

Metrics

EPSS Probability

3.43%

87.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 60.3.0
Mozilla	Firefox	< 63.0
Mozilla	Thunderbird	< 60.3.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.6
Redhat	Enterprise Linux Server Eus	7.5
Redhat	Enterprise Linux Server Eus	7.6
Redhat	Enterprise Linux Server Tus	7.6
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0

References

http://www.securityfocus.com/bid/105718Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/105769Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041944Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:3005Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3006Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3531Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3532Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1492823Issue Tracking, Permissions Required, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00008.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00011.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201811-04Third Party Advisory
https://security.gentoo.org/glsa/201811-13Third Party Advisory
https://usn.ubuntu.com/3801-1/Third Party Advisory
https://usn.ubuntu.com/3868-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4324Third Party Advisory
https://www.debian.org/security/2018/dsa-4337Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-26/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-27/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-28/Vendor Advisory
http://www.securityfocus.com/bid/105718Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/105769Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041944Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:3005Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3006Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3531Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3532Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1492823Issue Tracking, Permissions Required, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00008.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00011.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201811-04Third Party Advisory
https://security.gentoo.org/glsa/201811-13Third Party Advisory
https://usn.ubuntu.com/3801-1/Third Party Advisory
https://usn.ubuntu.com/3868-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4324Third Party Advisory
https://www.debian.org/security/2018/dsa-4337Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-26/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-27/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-28/Vendor Advisory

Timeline

Published: Feb 28, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-12392?

How severe is CVE-2018-12392?

Severity scoring for CVE-2018-12392 is pending analysis. The EPSS model estimates a 3.43% probability of exploitation in the next 30 days.

How do I fix CVE-2018-12392?

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-2018-12392?

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

Scan your code now

Source: NVD / NIST