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CVE-2026-19953 URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep

🗓️ 31 Aug 2026 17:29:42Reported by CPANSecType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

URI for Perl before 5.36 encodes non-NFC hosts to non-standard punycode via missing normalization.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-19953
31 Aug 202617:29
cve
debiancve
Debian CVE
CVE-2026-19953
31 Aug 202617:29
debiancve
euvd
EUVD
EUVD-2026-68681
31 Aug 202617:29
euvd
nessus
Tenable Nessus
Fedora 43 : perl-URI (2026-09941e744b)
25 Aug 202600:00
nessus
nessus
Tenable Nessus
Fedora 44 : perl-URI (2026-32b0d26c4c)
22 Aug 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-19953
25 Aug 202600:00
nessus
nvd
NVD
CVE-2026-19953
31 Aug 202618:17
nvd
osv
OSV
DEBIAN-CVE-2026-19953
25 Aug 202615:47
osv
osv
OSV
ECHO-21D4-7D4E-9762
26 Aug 202605:39
osv
osv
OSV
UBUNTU-CVE-2026-19953
27 Aug 202600:00
osv
Rows per page
[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "modules": [
      "URI"
    ],
    "packageName": "URI",
    "packageURL": "pkg:cpan/URI",
    "programFiles": [
      "lib/URI/_idna.pm"
    ],
    "programRoutines": [
      {
        "name": "URI::_idna::nameprep"
      }
    ],
    "repo": "https://github.com/libwww-perl/URI",
    "versions": [
      {
        "lessThan": "5.36",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

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