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CVE-2026-81928 Net::DNS versions before 1.57 for Perl allow memory exhaustion via unbounded recursion in sig_data when re-encoding a message with a misplaced TSIG record

🗓️ 01 Sep 2026 23:14:52Reported by CPANSecType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Unbounded recursion in Net::DNS <1.57 sig_data allows memory exhaustion via misplaced TSIG record.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-81928
1 Sep 202623:14
cve
debiancve
Debian CVE
CVE-2026-81928
1 Sep 202623:14
debiancve
euvd
EUVD
EUVD-2026-69727
2 Sep 202600:31
euvd
nvd
NVD
CVE-2026-81928
2 Sep 202600:18
nvd
osv
OSV
DEBIAN-CVE-2026-81928
2 Sep 202600:18
osv
ptsecurity
Positive Technologies
PT-2026-84543
1 Sep 202600:00
ptsecurity
[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "modules": [
      "Net::DNS"
    ],
    "packageName": "Net-DNS",
    "packageURL": "pkg:cpan/Net-DNS",
    "programFiles": [
      "lib/Net/DNS/RR/TSIG.pm"
    ],
    "programRoutines": [
      {
        "name": "Net::DNS::RR::TSIG::sig_data"
      }
    ],
    "repo": "https://www.net-dns.org/svn/net-dns/",
    "versions": [
      {
        "lessThan": "1.57",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

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