Use After Free Affecting libxml2-devel package, versions <0:2.9.1-6.el7_2.3


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
1.8% (89th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CENTOS7-LIBXML2DEVEL-2066105
  • published26 Jul 2021
  • disclosed23 May 2016

Introduced: 23 May 2016

CVE-2016-1836  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:7 libxml2-devel to version 0:2.9.1-6.el7_2.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2-devel package and not the libxml2-devel package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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.

References

CVSS Scores

version 3.1