Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') Affecting snakeyaml-javadoc package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
2.07% (90th percentile)

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  • Snyk IDSNYK-CENTOS7-SNAKEYAMLJAVADOC-1979957
  • published26 Jul 2021
  • disclosed12 Dec 2019

Introduced: 12 Dec 2019

CVE-2017-18640  (opens in a new tab)
CWE-776  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 snakeyaml-javadoc.

NVD Description

Note: Versions mentioned in the description apply only to the upstream snakeyaml-javadoc package and not the snakeyaml-javadoc package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The Alias feature in SnakeYAML before 1.26 allows entity expansion during a load operation, a related issue to CVE-2003-1564.

References

CVSS Scores

version 3.1