Use After Free Affecting libxml2 package, versions [,2.9.4)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.66% (80th percentile)

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  • Snyk IDSNYK-UNMANAGED-LIBXML2-3004067
  • published26 Jan 2022
  • disclosed20 May 2016
  • creditUnknown

Introduced: 20 May 2016

CVE-2016-1837  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade libxml2 to version 2.9.4 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. Multiple use-after-free vulnerabilities in the (1) htmlPArsePubidLiteral and (2) htmlParseSystemiteral functions in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allow remote attackers to cause a denial of service via a crafted XML document.

References

CVSS Scores

version 3.1