CVE-2016-4447 Memory corruption in n/a
Attackers can cause a denial of service via heap-based buffer underread in libxml2 by providing a crafted XML file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4447?
CVE-2016-4447 is a high-severity memory corruption vulnerability in Apple Iphone Os, published on 9 Jun 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.
Weakness: CWE-119
Which versions are affected by CVE-2016-4447?
It affects 11 products.
Products include Apple Iphone Os, Apple Itunes, Apple Mac Os X, Apple Tvos, Apple Watchos, Canonical Ubuntu Linux and 5 more.
How do I fix CVE-2016-4447?
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-2016-4447 being exploited?
There is no known exploitation of CVE-2016-4447 in the wild and no public exploit code.
Other vulnerabilities in Apple Iphone Os
Sources
Also known as DEBIAN-CVE-2016-4447, ECHO-df18-d365-2661, GHSA-qf4r-q9wc-m8w7, UBUNTU-CVE-2016-4447.