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


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.43% (76th percentile)

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  • Snyk IDSNYK-DEBIAN9-LIBXML2-539774
  • published24 Dec 2019
  • disclosed24 Dec 2019

Introduced: 24 Dec 2019

CVE-2019-19956  (opens in a new tab)
CWE-772  (opens 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.

CVSS Scores

version 3.1