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CVE details

CVE-2023-22796

A regular expression based DoS vulnerability in Active Support <6.1.7.1 and <7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability.

Score
7.5 high
Published
2023-02-09
Links
NVD · cve.org

Matched ports (5)

PortPackageVersionStatusMaintainer
devel/rubygem-activesupport4rubygem-activesupport44.2.11.3unaddressedsunpoet@FreeBSD.org
devel/rubygem-activesupport5rubygem-activesupport55.1.7_1unaddressedsunpoet@FreeBSD.org
devel/rubygem-activesupport50rubygem-activesupport505.0.7.2_1unaddressedsunpoet@FreeBSD.org
devel/rubygem-activesupport52rubygem-activesupport525.2.8.1unaddressedsunpoet@FreeBSD.org
devel/rubygem-activesupport60rubygem-activesupport606.0.6.1unaddressedsunpoet@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>rubygem-activesupport4</name>
	<range><lt>6.1.7.1</lt></range>
      </package>
      <package>
	<name>rubygem-activesupport5</name>
	<range><lt>6.1.7.1</lt></range>
      </package>
      <package>
	<name>rubygem-activesupport50</name>
	<range><lt>6.1.7.1</lt></range>
      </package>
      <package>
	<name>rubygem-activesupport52</name>
	<range><lt>6.1.7.1</lt></range>
      </package>
      <package>
	<name>rubygem-activesupport60</name>
	<range><lt>6.1.7.1</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>A regular expression based DoS vulnerability in Active Support
	<6.1.7.1 and <7.0.4.1. A specially crafted string passed to the
	underscore method can cause the regular expression engine to enter a
	state of catastrophic backtracking. This can cause the process to use
	large amounts of CPU and memory, leading to a possible DoS
	vulnerability.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2023-22796</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2023-22796</url>
    </references>
    <dates>
      <discovery>2023-02-09</discovery>
      <entry>2026-10-26</entry>
    </dates>
  </vuln>