Vulnerability-Lookup

GHSA-W9GF-C5HH-CC8W

Vulnerability from github – Published: 2026-07-08 00:37 – Updated: 2026-07-08 15:31

Details

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

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-14739"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-07T23:16:54Z",
    "severity": "CRITICAL"
  },
  "details": "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.",
  "id": "GHSA-w9gf-c5hh-cc8w",
  "modified": "2026-07-08T15:31:54Z",
  "published": "2026-07-08T00:37:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-14739"
    },
    {
      "type": "WEB",
      "url": "https://github.com/perl5-dbi/dbi/commit/2b77c88b655e9539a592c71a61fb965fc0075395.patch"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/HMBRAND/DBI-1.650/changes"
    },
    {
      "type": "WEB",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-10879"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-14739 (GCVE-0-2026-14739)

Vulnerability from cvelistv5 – Published: 2026-07-07 22:05 – Updated: 2026-07-08 13:56

Title

DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders

Summary

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

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-08 13:55 UTC

CWE

CWE-787 - Out-of-bounds Write

Assigner

CPANSec redhat root

References

3 references

URL	Tags
https://github.com/perl5-dbi/dbi/commit/2b77c88b6…	patch
https://www.cve.org/CVERecord?id=CVE-2026-10879	vendor-advisoryrelated
https://metacpan.org/release/HMBRAND/DBI-1.650/changes	release-notes

Impacted products

1 product

Vendor	Product	Version
HMBRAND	DBI	Affected: 0 , < 1.650 (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-14739",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-08T13:55:38.504631Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-08T13:56:43.597Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "DBI",
          "product": "DBI",
          "programFiles": [
            "DBI.xs"
          ],
          "programRoutines": [
            {
              "name": "preparse"
            }
          ],
          "repo": "https://github.com/perl5-dbi/dbi",
          "vendor": "HMBRAND",
          "versions": [
            {
              "lessThan": "1.650",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787 Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-07T22:05:18.457Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "shortName": "CPANSec"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/perl5-dbi/dbi/commit/2b77c88b655e9539a592c71a61fb965fc0075395.patch"
        },
        {
          "tags": [
            "vendor-advisory",
            "related"
          ],
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-10879"
        },
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://metacpan.org/release/HMBRAND/DBI-1.650/changes"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to DBI version 1.650 or later."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-04T00:00:00.000Z",
          "value": "Version 1.648 released with a fix for CVE-2026-10879."
        },
        {
          "lang": "en",
          "time": "2026-07-07T00:00:00.000Z",
          "value": "Version 1.650 released."
        }
      ],
      "title": "DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders",
      "x_generator": {
        "engine": "cpansec-cna-tool 0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
    "assignerShortName": "CPANSec",
    "cveId": "CVE-2026-14739",
    "datePublished": "2026-07-07T22:05:18.457Z",
    "dateReserved": "2026-07-04T09:24:31.098Z",
    "dateUpdated": "2026-07-08T13:56:43.597Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.