CVE-2016-0718 Memory corruption in n/a

Critical 9.8 Published 26 May 2016 Updated 8 Oct 2026

Attackers can cause crashes or execute arbitrary code via malformed XML input due to a buffer overflow in the Expat library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2016-0718?

CVE-2016-0718 is a critical memory corruption vulnerability in Apple Mac Os X, published on 26 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-119

Which versions are affected by CVE-2016-0718?

It affects 14 products.

Linux distribution packages (28)

`expat` Red Hat:enterprise_linux:6::client	All versions	`0:2.0.1-13.el6_8`
`expat-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`0:2.0.1-13.el6_8`
`expat-devel` Red Hat:enterprise_linux:6::client	All versions	`0:2.0.1-13.el6_8`
`expat` Red Hat:enterprise_linux:6::computenode	All versions	`0:2.0.1-13.el6_8`
`expat-debuginfo` Red Hat:enterprise_linux:6::computenode	All versions	`0:2.0.1-13.el6_8`
`expat-devel` Red Hat:enterprise_linux:6::computenode	All versions	`0:2.0.1-13.el6_8`
`expat` Red Hat:enterprise_linux:6::server	All versions	`0:2.0.1-13.el6_8`
`expat-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:2.0.1-13.el6_8`
`expat-devel` Red Hat:enterprise_linux:6::server	All versions	`0:2.0.1-13.el6_8`
`expat` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.0.1-13.el6_8`
`expat-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.0.1-13.el6_8`
`expat-devel` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.0.1-13.el6_8`
`expat` Red Hat:enterprise_linux:7::client	All versions	`0:2.1.0-10.el7_3`
`expat-debuginfo` Red Hat:enterprise_linux:7::client	All versions	`0:2.1.0-10.el7_3`
`expat-devel` Red Hat:enterprise_linux:7::client	All versions	`0:2.1.0-10.el7_3`
`expat-static` Red Hat:enterprise_linux:7::client	All versions	`0:2.1.0-10.el7_3`
`expat` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.1.0-10.el7_3`
`expat-debuginfo` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.1.0-10.el7_3`
`expat-devel` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.1.0-10.el7_3`
`expat-static` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.1.0-10.el7_3`
`expat` Red Hat:enterprise_linux:7::server	All versions	`0:2.1.0-10.el7_3`
`expat-debuginfo` Red Hat:enterprise_linux:7::server	All versions	`0:2.1.0-10.el7_3`
`expat-devel` Red Hat:enterprise_linux:7::server	All versions	`0:2.1.0-10.el7_3`
`expat-static` Red Hat:enterprise_linux:7::server	All versions	`0:2.1.0-10.el7_3`
`expat` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.1.0-10.el7_3`
`expat-debuginfo` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.1.0-10.el7_3`
`expat-devel` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.1.0-10.el7_3`
`expat-static` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.1.0-10.el7_3`

Products include Apple Mac Os X, Canonical Ubuntu Linux, Debian Debian Linux, Libexpat Project Libexpat, Mcafee Policy Auditor, Mozilla Firefox and 8 more.

How do I fix CVE-2016-0718?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-0718 being exploited?

There is no known exploitation of CVE-2016-0718 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as ALPINE-CVE-2016-0718, CVE-2016-0719, DEBIAN-CVE-2016-0718, GHSA-3f8j-8ww3-q7v6, MGASA-2016-0193, PSF-2016-2 and 3 more.