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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libxml2-python27 package, versions <0:2.9.1-6.4.40.amzn1

high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.72% (81st percentile)
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NVD
6.5 medium
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SUSE
5.3 medium
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Red Hat
4.3 medium

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  • Snyk ID SNYK-AMZN201803-LIBXML2PYTHON27-1724448
  • published 27 Sep 2021
  • disclosed 16 Aug 2018
Report a new vulnerability Found a mistake?

Introduced: 16 Aug 2018

CVE-2018-14567 Open this link in a new tab
CWE-835 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.

libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251.