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Improper Input Validation The advisory has been revoked - it doesn't affect any version of package ruby1.8  (opens in a new tab)

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EPSS
6.86% (94th percentile)

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  • Snyk IDSNYK-UBUNTU1304-RUBY18-637841
  • published9 Apr 2013
  • disclosed9 Apr 2013
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Introduced: 9 Apr 2013

CVE-2013-1821  (opens in a new tab)
CWE-20  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:13.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby1.8 package and not the ruby1.8 package as distributed by Ubuntu.

lib/rexml/text.rb in the REXML parser in Ruby before 1.9.3-p392 allows remote attackers to cause a denial of service (memory consumption and crash) via crafted text nodes in an XML document, aka an XML Entity Expansion (XEE) attack.

References