Memory Leak Affecting libxmljs package, versions >=0.8.0 <1.0.0


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.21% (44th percentile)

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  • Snyk IDSNYK-JS-LIBXMLJS-10557408
  • published27 Jun 2025
  • disclosed24 Dec 2019
  • creditUnknown

Introduced: 24 Dec 2019

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

How to fix?

Upgrade libxmljs to version 1.0.0 or higher.

Overview

libxmljs is a libxml bindings for v8 javascript engine

Affected versions of this package are vulnerable to Memory Leak xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs.

CVSS Base Scores

version 3.1