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CVE-2026-19566

🗓️ 12 Aug 2026 08:39:59Reported by CPANSecType 
cve
 cve
🔗 web.nvd.nist.gov👁 57 Views

Net::CIDR::Set before 0.23 allows memory exhaustion via unbounded IPv6 prefix lengths from untrusted input.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-19566
12 Aug 202608:39
attackerkb
cvelist
Cvelist
CVE-2026-19566 Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths
12 Aug 202608:39
cvelist
debiancve
Debian CVE
CVE-2026-19566
12 Aug 202608:39
debiancve
euvd
EUVD
EUVD-2026-57150
12 Aug 202608:39
euvd
nvd
NVD
CVE-2026-19566
12 Aug 202609:17
nvd
opensuse
OPENSUSE Linux
perl-Net-CIDR-Set-0.230.0-1.1 on GA media (moderate)
23 Aug 202600:00
opensuse
osv
OSV
DEBIAN-CVE-2026-19566
12 Aug 202609:17
osv
osv
OSV
OPENSUSE-SU-2026:11550-1 perl-Net-CIDR-Set-0.230.0-1.1 on GA media
19 Aug 202600:00
osv
osv
OSV
UBUNTU-CVE-2026-19566
12 Aug 202609:17
osv
ptsecurity
Positive Technologies
PT-2026-71039
12 Aug 202600:00
ptsecurity
Rows per page
[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "packageName": "Net-CIDR-Set",
    "product": "Net::CIDR::Set",
    "programFiles": [
      "lib/Net/CIDR/Set/IPv6.pm",
      "lib/Net/CIDR/Set.pm"
    ],
    "programRoutines": [
      {
        "name": "Net::CIDR::Set::IPv6::_encode"
      },
      {
        "name": "Net::CIDR::Set::IPv6::_width2bits"
      }
    ],
    "repo": "https://github.com/robrwo/perl-Net-CIDR-Set",
    "vendor": "RRWO",
    "versions": [
      {
        "lessThan": "0.23",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

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26 Aug 2026 16:51Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17.5
EPSS0.00346
SSVC
57