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Heap-based Buffer Overflow Affecting libxml2 package, versions <0:2.9.1-6.el7_2.3

high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.16% (53rd percentile)
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NVD
7.5 high
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Red Hat
4.3 medium

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  • Snyk ID SNYK-CENTOS7-LIBXML2-2066740
  • published 26 Jul 2021
  • disclosed 23 May 2016
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Introduced: 23 May 2016

CVE-2016-4447 Open this link in a new tab
CWE-122 Open this link in a new tab

How to fix?

Upgrade Centos:7 libxml2 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 package and not the libxml2 package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.

References