CVE-2016-1836: Use After Free
A vulnerability was found in the libxml2 library. A heap-use-after free can happen in the xmlDictComputeFastKey.
References:
https://bugzilla.gnome.org/showbug.cgi?id=759398
Upstream fix:
https://git.gnome.org/browse/libxml2/commit/?id=45752d2c334b50016666d8f0ec3691e2d680f0a0
Other sources
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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2016-1836?
CVE-2016-1836 is considered a high severity vulnerability due to its potential for exploitation via a heap-use-after-free condition in the libxml2 library.
How do I fix CVE-2016-1836?
To resolve CVE-2016-1836, upgrade libxml2 to version 2.9.4+dfsg1-7+deb10u4 or higher for Debian systems, or to equivalent patched versions for other affected distributions.
Which software is affected by CVE-2016-1836?
CVE-2016-1836 affects various versions of libxml2, along with multiple operating systems including Debian, Ubuntu, macOS, and Red Hat Enterprise Linux.
How does CVE-2016-1836 impact system security?
CVE-2016-1836 can lead to memory corruption, potentially allowing an attacker to execute arbitrary code on affected systems.
Is there a known exploit for CVE-2016-1836?
As of now, there are no publicly available exploits for CVE-2016-1836, but the vulnerability itself poses a significant risk and should be addressed promptly.