Improper Input Validation Affecting libxml2 package, versions <0:2.9.1-6.el7_2.3


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.07% (85th percentile)

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  • Snyk IDSNYK-RHEL7-LIBXML2-4614732
  • published26 Jul 2021
  • disclosed23 May 2016

Introduced: 23 May 2016

CVE-2016-4449  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:7 libxml2 to version 0:2.9.1-6.el7_2.3 or higher.
This issue was patched in RHSA-2016:1292.

NVD Description

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

XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.

References

CVSS Scores

version 3.1