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CVE-2026-14739

Full vulnerability record from the local CVENow database.

Description

DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders. The fix for CVE-2026-10879 did not allocate enough memory to handle approximately 1.2-million placeholders. DBI version 1.650 sets a hard limit of 99,999 placeholders.

Severity
CRITICAL
CVSS score
9.8 (v3.1)
Vulnerability status
Analyzed
Source identifier
9b29abf9-4ab0-4765-b253-1875cd9b441e
Published
2026-07-07 23:16:54.090000
Last modified
2026-10-25 20:10:00.147000
View original CVE JSON
{
  "id": "CVE-2026-14739",
  "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
  "published": "2026-07-07T23:16:54.090",
  "lastModified": "2026-10-25T20:10:00.147",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders.\n\nThe fix for CVE-2026-10879 did not allocate enough memory to handle approximately 1.2-million placeholders.\n\nDBI version 1.650 sets a hard limit of 99,999 placeholders."
    },
    {
      "lang": "es",
      "value": "Las versiones de DBI anteriores a la 1.650 para Perl tienen un desbordamiento de montículo al preanalizar sentencias SQL con un número extremo de marcadores de posición.\n\nLa corrección para CVE-2026-10879 no asignó suficiente memoria para manejar aproximadamente 1.2 millones de marcadores de posición.\n\nLa versión 1.650 de DBI establece un límite estricto de 99.999 marcadores de posición."
    }
  ],
  "affected": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "affectedData": [
        {
          "vendor": "HMBRAND",
          "product": "DBI",
          "defaultStatus": "unaffected",
          "collectionURL": "https://cpan.org/modules",
          "packageName": "DBI",
          "programFiles": [
            "DBI.xs"
          ],
          "programRoutines": [
            {
              "name": "preparse"
            }
          ],
          "repo": "https://github.com/perl5-dbi/dbi",
          "versions": [
            {
              "version": "0",
              "lessThan": "1.650",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-08T13:55:38.504631Z",
          "id": "CVE-2026-14739",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:perl:dbi:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "1.650",
              "matchCriteriaId": "3B8C837F-7D3B-4D47-B604-6927920CDF73"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/perl5-dbi/dbi/commit/2b77c88b655e9539a592c71a61fb965fc0075395.patch",
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://metacpan.org/release/HMBRAND/DBI-1.650/changes",
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-10879",
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Not Applicable"
      ]
    }
  ]
}