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CVE details

CVE-2026-49942

Net::CIDR::Set versions through 0.20 for Perl did not validate network masks. The mask portion of a network mask could contain Unicode digits such as the Arabic-Indic One (U+0661), or non-digits, which were ignored. This could allow network masks to accept larger networks. Leading zeros were also accepted, but treated as decimal instead of octal. This could lead to confusion about what networks are acceptable.

Score
7.3 high
Published
2026-06-04
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
net/p5-Net-CIDR-Setp5-Net-CIDR-Set0.13_1unaddressedanes@anes.su

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>p5-Net-CIDR-Set</name>
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>Net::CIDR::Set versions through 0.20 for Perl did not validate network
	masks.

The mask portion of a network mask could contain Unicode
	digits such as the Arabic-Indic One (U+0661), or non-digits, which
	were ignored.   This could allow network masks to accept larger
	networks.

Leading zeros were also accepted, but treated as decimal
	instead of octal.  This could lead to confusion about what networks
	are acceptable.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-49942</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-49942</url>
    </references>
    <dates>
      <discovery>2026-06-04</discovery>
      <entry>2026-10-26</entry>
    </dates>
  </vuln>