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CVE-2026-110680 Cpanel::JSON::XS versions from 4.20 before 4.80 for Perl write out of bounds when a tied or shared hash grows during canonical encoding in encode_hv

🗓️ 19 Oct 2026 18:12:01Reported by CPANSecType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Write out of bounds in Cpanel::JSON::XS for Perl during canonical encoding causes DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-110680
19 Oct 202618:34
–circl
cve
CVE
CVE-2026-110680
19 Oct 202618:12
–cve
debiancve
Debian CVE
CVE-2026-110680
19 Oct 202618:12
–debiancve
euvd
EUVD
EUVD-2026-104560
19 Oct 202618:12
–euvd
nvd
NVD
CVE-2026-110680
19 Oct 202619:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-110680
19 Oct 202620:47
–osv_debian
redhatcve
RedhatCVE
CVE-2026-110680
19 Oct 202621:39
–redhatcve
[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "modules": [
      "Cpanel::JSON::XS"
    ],
    "packageName": "Cpanel-JSON-XS",
    "packageURL": "pkg:cpan/Cpanel-JSON-XS",
    "programFiles": [
      "XS.xs"
    ],
    "programRoutines": [
      {
        "name": "encode_hv"
      }
    ],
    "repo": "https://github.com/rurban/Cpanel-JSON-XS",
    "versions": [
      {
        "lessThan": "4.80",
        "status": "affected",
        "version": "4.20",
        "versionType": "custom"
      }
    ]
  }
]

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