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CVE-2026-9334 Cpanel::JSON::XS versions before 4.41 for Perl allow type confusion via duplicate object keys when dupkeys_as_arrayref is enabled

🗓️ 03 Jun 2026 00:15:16Reported by CPANSecType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

CVE-2026-9334: Cpanel::JSON::XS before 4.41 for Perl crashes on duplicate keys with dupkeys_as_arrayref.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-9334
3 Jun 202600:15
attackerkb
Circl
CVE-2026-9334
3 Jun 202602:57
circl
CVE
CVE-2026-9334
3 Jun 202600:15
cve
Debian CVE
CVE-2026-9334
3 Jun 202600:15
debiancve
EUVD
EUVD-2026-34060
3 Jun 202600:15
euvd
Fedora
[SECURITY] Fedora 43 Update: perl-Cpanel-JSON-XS-4.41-1.fc43
5 Jun 202604:10
fedora
Fedora
[SECURITY] Fedora 44 Update: perl-Cpanel-JSON-XS-4.41-1.fc44
5 Jun 202604:27
fedora
Tenable Nessus
Fedora 44 : perl-Cpanel-JSON-XS (2026-0a82e80353)
5 Jun 202600:00
nessus
Tenable Nessus
Fedora 43 : perl-Cpanel-JSON-XS (2026-d88c7fac8c)
5 Jun 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-9334
30 May 202600:00
nessus
Rows per page
[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "packageName": "Cpanel-JSON-XS",
    "product": "Cpanel::JSON::XS",
    "programFiles": [
      "XS.xs"
    ],
    "programRoutines": [
      {
        "name": "decode_hv"
      }
    ],
    "repo": "https://github.com/rurban/Cpanel-JSON-XS",
    "vendor": "RURBAN",
    "versions": [
      {
        "lessThan": "4.41",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

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