CVE-2018-12359

Name: CVE-2018-12359
Creator: NVD / NIST
Published: 2018-10-18T13:29:00.54+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.65%

Last modified Jun 17, 2026

CVE-2018-12359 is a vulnerability of currently unknown severity. A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. EPSS estimates a 4.65% chance of exploitation in the next 30 days.

Description

A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

Metrics

EPSS Probability

4.65%

90.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
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
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	17.10
Canonical	Ubuntu Linux	18.04
Mozilla	Firefox	< 61.0
Mozilla	Firefox Esr	< 52.9
Mozilla	Firefox Esr	>= 53.0, < 60.1
Mozilla	Thunderbird	< 52.9
Mozilla	Thunderbird	52.9.1

References

http://www.securityfocus.com/bid/104555Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041193Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:2112Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2113Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2251Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2252Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1459162Issue Tracking, Permissions Required, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/06/msg00014.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00013.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201810-01Third Party Advisory
https://security.gentoo.org/glsa/201811-13Third Party Advisory
https://usn.ubuntu.com/3705-1/Third Party Advisory
https://usn.ubuntu.com/3714-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4235Third Party Advisory
https://www.debian.org/security/2018/dsa-4244Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-15/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-16/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-17/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-18/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-19/Vendor Advisory
http://www.securityfocus.com/bid/104555Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041193Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:2112Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2113Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2251Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2252Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1459162Issue Tracking, Permissions Required, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/06/msg00014.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00013.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201810-01Third Party Advisory
https://security.gentoo.org/glsa/201811-13Third Party Advisory
https://usn.ubuntu.com/3705-1/Third Party Advisory
https://usn.ubuntu.com/3714-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4235Third Party Advisory
https://www.debian.org/security/2018/dsa-4244Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-15/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-16/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-17/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-18/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-19/Vendor Advisory

Timeline

Published: Oct 18, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-12359?

How severe is CVE-2018-12359?

Severity scoring for CVE-2018-12359 is pending analysis. The EPSS model estimates a 4.65% probability of exploitation in the next 30 days.

How do I fix CVE-2018-12359?

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-2018-12359?

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

Scan your code now

Source: NVD / NIST