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Missing Release of Resource after Effective Lifetime Affecting libxml2 package, versions <2.9.4+dfsg1-2.2+deb9u3

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.43% (75th percentile)
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NVD
7.5 high
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SUSE
5.3 medium
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Red Hat
7.5 high

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  • Snyk ID SNYK-DEBIAN9-LIBXML2-539774
  • published 24 Dec 2019
  • disclosed 24 Dec 2019
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Introduced: 24 Dec 2019

CVE-2019-19956 Open this link in a new tab
CWE-772 Open this link in a new tab

How to fix?

Upgrade Debian:9 libxml2 to version 2.9.4+dfsg1-2.2+deb9u3 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 Debian. See How to fix? for Debian:9 relevant fixed versions and status.

xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs.

References