CVE-2016-1836 Use after free in n/a

What is CVE-2016-1836?

CVE-2016-1836 is a medium-severity use after free 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

Use-after-free vulnerability in the xmlDictComputeFastKey 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 cause a denial of service via a crafted XML document.

Weakness: CWE-416

Which versions are affected by CVE-2016-1836?

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-2016-1836?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2016-1836 being exploited?

There is no known exploitation of CVE-2016-1836 in the wild and no public exploit code.

Other vulnerabilities in Apple Iphone Os

• CVE-2021-30666 Apple iOS WebKit Buffer Overflow Exploited High 8.8
• CVE-2021-30761 Apple iOS WebKit Memory Corruption Exploited High 8.8
• CVE-2021-30762 Apple iOS WebKit Use-After-Free Exploited High 8.8
• CVE-2016-4657 Apple iOS Webkit Memory Corruption Exploited High 8.8
• CVE-2019-7286 Apple Multiple Products Memory Corruption Exploited High 7.8

All Apple Iphone Os vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2016-1836, GHSA-82c9-fqj6-w7gm, UBUNTU-CVE-2016-1836.