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CVE-2026-73193 DBI versions before 1.652 for Perl allow a heap out-of-bounds write on 32-bit perl via an integer wraparound in the output buffer size computed by preparse

🗓️ 15 Aug 2026 12:09:03Reported by CPANSecType 
cvelist
 cvelist
🔗 www.cve.org👁 43 Views

Heap out-of-bounds write in DBI preparse on 32-bit perl via integer wraparound in buffer size computation.

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Affected
Refs
[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "modules": [
      "DBI"
    ],
    "packageName": "DBI",
    "packageURL": "pkg:cpan/DBI",
    "programFiles": [
      "DBI.xs"
    ],
    "programRoutines": [
      {
        "name": "preparse"
      }
    ],
    "repo": "https://github.com/perl5-dbi/dbi",
    "versions": [
      {
        "lessThan": "1.652",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

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