Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libxml2 package, versions <2.9.4+dfsg1-6.1ubuntu1.2


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.72% (81st percentile)

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  • Snyk ID SNYK-UBUNTU1804-LIBXML2-429400
  • published 16 Aug 2018
  • disclosed 16 Aug 2018

How to fix?

Upgrade Ubuntu:18.04 libxml2 to version 2.9.4+dfsg1-6.1ubuntu1.2 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 Ubuntu. See How to fix? for Ubuntu:18.04 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.