CVE-2016-1840 Memory corruption in n/a
Remote attackers can execute arbitrary code or cause denial of service via crafted XML documents due to a heap-based buffer overflow in libxml2.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2016-1840?
CVE-2016-1840 is a high-severity memory corruption vulnerability in Apple Iphone Os, published on 20 May 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Heap-based buffer overflow in the xmlFAParsePosCharGroup function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.
Weakness: CWE-119
Which versions are affected by CVE-2016-1840?
It affects 14 products.
Products include Apple Iphone Os, Apple Mac Os X, Apple Tvos, Apple Watchos, Canonical Ubuntu Linux, Debian Debian Linux and 8 more.
How do I fix CVE-2016-1840?
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-2016-1840 being exploited?
There is no known exploitation of CVE-2016-1840 in the wild and no public exploit code.
Other vulnerabilities in Apple Iphone Os
Sources
Also known as DEBIAN-CVE-2016-1840, ECHO-6ec4-9f57-9f28, GHSA-7v3g-4pq5-c565, UBUNTU-CVE-2016-1840.