CVE-2016-0718

Name: CVE-2016-0718
Creator: NVD / NIST
Published: 2016-05-26T16:59:00.133+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 13.33%

Last modified Jun 17, 2026

CVE-2016-0718 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed input document, which triggers a buffer overflow.. EPSS estimates a 13.33% chance of exploitation in the next 30 days.

Description

Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed input document, which triggers a buffer overflow.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

13.33%

95.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions	Update
Mozilla	Firefox	< 48.0	—
Apple	Mac Os X	>= 10.11.0, <= 10.11.5	—
Suse	Linux Enterprise Debuginfo	11	Sp4
Suse	Studio Onsite	1.3	—
Suse	Linux Enterprise Server	11	Sp4
Suse	Linux Enterprise Software Development Kit	11	Sp4
Opensuse	Leap	42.1	—
Suse	Linux Enterprise Desktop	12	—
Suse	Linux Enterprise Server	12	—
Suse	Linux Enterprise Software Development Kit	12	—
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	14.04	—
Canonical	Ubuntu Linux	16.04	—
Libexpat Project	Libexpat	< 2.2.0	—
Debian	Debian Linux	8.0	—
Opensuse	Opensuse	13.1	—
Opensuse	Opensuse	13.2	—
Mcafee	Policy Auditor	< 6.5.1	—
Python	Python	>= 2.7.0, < 2.7.15	—
Python	Python	>= 3.3.0, < 3.3.7	—
Python	Python	>= 3.4.0, < 3.4.7	—
Python	Python	>= 3.5.0, < 3.5.4	—
Python	Python	>= 3.6.0, < 3.6.2	—

References

http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00064.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00006.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00007.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00010.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.htmlThird Party Advisory
http://packetstormsecurity.com/files/141350/ESET-Endpoint-Antivirus-6-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-2824.htmlThird Party Advisory
http://seclists.org/fulldisclosure/2017/Feb/68Mailing List, Third Party Advisory
http://support.eset.com/ca6333/Third Party Advisory
http://www.debian.org/security/2016/dsa-3582Third Party Advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-68.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/17/12Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatch, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
http://www.securityfocus.com/bid/90729Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036348Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036415Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037705Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2983-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3044-1Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2486Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1236923Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1296102Issue Tracking, Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
https://security.gentoo.org/glsa/201701-21Third Party Advisory
https://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
https://support.apple.com/HT206903Third Party Advisory
https://www.tenable.com/security/tns-2016-20Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00064.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00006.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00007.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00010.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.htmlThird Party Advisory
http://packetstormsecurity.com/files/141350/ESET-Endpoint-Antivirus-6-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-2824.htmlThird Party Advisory
http://seclists.org/fulldisclosure/2017/Feb/68Mailing List, Third Party Advisory
http://support.eset.com/ca6333/Third Party Advisory
http://www.debian.org/security/2016/dsa-3582Third Party Advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-68.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/17/12Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatch, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
http://www.securityfocus.com/bid/90729Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036348Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036415Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037705Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2983-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3044-1Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2486Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1236923Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1296102Issue Tracking, Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
https://security.gentoo.org/glsa/201701-21Third Party Advisory
https://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
https://support.apple.com/HT206903Third Party Advisory
https://www.tenable.com/security/tns-2016-20Third Party Advisory

Timeline

Published: May 26, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-0718?

Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed input document, which triggers a buffer overflow.

How severe is CVE-2016-0718?

CVE-2016-0718 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 13.33% probability of exploitation in the next 30 days.

How do I fix CVE-2016-0718?

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-2016-0718?

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

Scan your code now

Source: NVD / NIST