CVE-2016-4472 Memory corruption in n/a

What is CVE-2016-4472?

CVE-2016-4472 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 30 Jun 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.

Weakness: CWE-119

Which versions are affected by CVE-2016-4472?

It affects 4 products.

Products include Canonical Ubuntu Linux, Libexpat Project Libexpat, Mcafee Policy Auditor, Python Python.

How do I fix CVE-2016-4472?

Apply the vendor's patch.

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

Is CVE-2016-4472 being exploited?

There is no known exploitation of CVE-2016-4472 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2016-4472, DEBIAN-CVE-2016-4472, GHSA-855w-qg6f-ffh7, PSF-2016-6, UBUNTU-CVE-2016-4472.