Homepage
About Snyk

NULL Pointer Dereference Affecting libxml2-python27 package, versions <0:2.9.1-6.4.40.amzn1

high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 2.92% (91st percentile)
Expand this section
NVD
7.5 high
Expand this section
SUSE
5.3 medium
Expand this section
Red Hat
6.5 medium

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 ID SNYK-AMZN201803-LIBXML2PYTHON27-1723810
  • published 27 Sep 2021
  • disclosed 19 Jul 2018
Report a new vulnerability Found a mistake?

Introduced: 19 Jul 2018

CVE-2018-14404 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 libxml2-python27 to version 0:2.9.1-6.4.40.amzn1 or higher.
This issue was patched in ALAS-2020-1415.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2-python27 package and not the libxml2-python27 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.