Lucene search
+L

CVE-2026-74766 Net::IDN::Punycode versions from 2.301 before 2.590 for Perl allow a heap use-after-free via a decoded code point that reallocates the output buffer in decode_punycode

🗓️ 22 Sep 2026 07:19:09Reported by CPANSecType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Heap use-after-free in Net::IDN::Punycode 2.301 before 2.590 via decode_punycode buffer reallocation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-74766
22 Sep 202607:19
cve
debiancve
Debian CVE
CVE-2026-74766
22 Sep 202607:19
debiancve
euvd
EUVD
EUVD-2026-84290
22 Sep 202607:19
euvd
nvd
NVD
CVE-2026-74766
22 Sep 202608:16
nvd
osv
OSV
DEBIAN-CVE-2026-74766
22 Sep 202608:16
osv
ubuntucve
UbuntuCve
CVE-2026-74766
22 Sep 202600:00
ubuntucve
vulnrichment
Vulnrichment
CVE-2026-74766 Net::IDN::Punycode versions from 2.301 before 2.590 for Perl allow a heap use-after-free via a decoded code point that reallocates the output buffer in decode_punycode
22 Sep 202607:19
vulnrichment
[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "modules": [
      "Net::IDN::Punycode"
    ],
    "packageName": "Net-IDN-Encode",
    "packageURL": "pkg:cpan/Net-IDN-Encode",
    "programFiles": [
      "lib/Net/IDN/Punycode.xs"
    ],
    "programRoutines": [
      {
        "name": "Net::IDN::Punycode::decode_punycode"
      }
    ],
    "repo": "https://github.com/robrwo/Net-IDN-Encode",
    "versions": [
      {
        "lessThan": "2.590",
        "status": "affected",
        "version": "2.301",
        "versionType": "custom"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation