Vulnerability-Lookup

CVE-2026-19933 (GCVE-0-2026-19933)

Vulnerability from cvelistv5 – Published: 2026-08-16 04:45 – Updated: 2026-08-16 04:45

Title

DefaultFuction Customer-Relationship-Management-In-C-Project Customer Search gets stack-based overflow

Summary

A weakness has been identified in DefaultFuction Customer-Relationship-Management-In-C-Project 2.0. Impacted is the function gets of the component Customer Search Module. This manipulation causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project confirms, that "it’s being processed".

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

6.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

6.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB

References

6 references

URL	Tags
https://vuldb.com/vuln/390704	vdb-entrytechnical-description
https://vuldb.com/vuln/390704/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19933	third-party-advisory
https://vuldb.com/submit/872649	third-party-advisory
https://github.com/DefaultFuction/Customer-Relati…	exploitissue-tracking
https://github.com/DefaultFuction/Customer-Relati…	product

Impacted products

1 product

Vendor	Product	Version
DefaultFuction	Customer-Relationship-Management-In-C-Project	Affected: 2.0 cpe:2.3:a:defaultfuction:customer-relationship-management-in-c-project::::::::

Credits

Practice (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:defaultfuction:customer-relationship-management-in-c-project:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Customer Search Module"
          ],
          "product": "Customer-Relationship-Management-In-C-Project",
          "vendor": "DefaultFuction",
          "versions": [
            {
              "status": "affected",
              "version": "2.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Practice (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A weakness has been identified in DefaultFuction Customer-Relationship-Management-In-C-Project 2.0. Impacted is the function gets of the component Customer Search Module. This manipulation causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project confirms, that \"it\u2019s being processed\"."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 6.5,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-16T04:45:09.404Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-390704 | DefaultFuction Customer-Relationship-Management-In-C-Project Customer Search gets stack-based overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/390704"
        },
        {
          "name": "VDB-390704 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/390704/cti"
        },
        {
          "name": "CVE-2026-19933 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-19933"
        },
        {
          "name": "Submit #872649 | DefaultFuction CRM V2.0 Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/872649"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/DefaultFuction/Customer-Relationship-Management-In-C-Project/issues/1"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/DefaultFuction/Customer-Relationship-Management-In-C-Project/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-08-15T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-08-15T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-08-15T14:10:57.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "DefaultFuction Customer-Relationship-Management-In-C-Project Customer Search gets stack-based overflow",
      "x_generator": [
        "VulDB PVTS v202608"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-19933",
    "datePublished": "2026-08-16T04:45:09.404Z",
    "dateReserved": "2026-08-15T12:05:46.831Z",
    "dateUpdated": "2026-08-16T04:45:09.404Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-19933",
      "date": "2026-08-16",
      "epss": "0.00252",
      "percentile": "0.16934"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-19933\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-08-16T05:16:48.623\",\"lastModified\":\"2026-08-16T05:16:48.623\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A weakness has been identified in DefaultFuction Customer-Relationship-Management-In-C-Project 2.0. Impacted is the function gets of the component Customer Search Module. This manipulation causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project confirms, that \\\"it\u2019s being processed\\\".\"}],\"affected\":[{\"source\":\"cna@vuldb.com\",\"affectedData\":[{\"vendor\":\"DefaultFuction\",\"product\":\"Customer-Relationship-Management-In-C-Project\",\"cpes\":[\"cpe:2.3:a:defaultfuction:customer-relationship-management-in-c-project:*:*:*:*:*:*:*:*\"],\"modules\":[\"Customer Search Module\"],\"versions\":[{\"version\":\"2.0\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":2.1,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":6.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":3.4}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:P/A:P\",\"baseScore\":6.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"},{\"lang\":\"en\",\"value\":\"CWE-121\"}]}],\"references\":[{\"url\":\"https://github.com/DefaultFuction/Customer-Relationship-Management-In-C-Project/\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/DefaultFuction/Customer-Relationship-Management-In-C-Project/issues/1\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/cve/CVE-2026-19933\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/872649\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/390704\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/390704/cti\",\"source\":\"cna@vuldb.com\"}]}}"
  }
}

GHSA-W5GQ-MQRX-5J28

Vulnerability from github – Published: 2026-08-16 06:30 – Updated: 2026-08-16 06:30

Details

Severity

6.3 (Medium)


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

2.1 (Low)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-19933"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-16T05:16:48Z",
    "severity": "LOW"
  },
  "details": "A weakness has been identified in DefaultFuction Customer-Relationship-Management-In-C-Project 2.0. Impacted is the function gets of the component Customer Search Module. This manipulation causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project confirms, that \"it\u2019s being processed\".",
  "id": "GHSA-w5gq-mqrx-5j28",
  "modified": "2026-08-16T06:30:25Z",
  "published": "2026-08-16T06:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19933"
    },
    {
      "type": "WEB",
      "url": "https://github.com/DefaultFuction/Customer-Relationship-Management-In-C-Project/issues/1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/DefaultFuction/Customer-Relationship-Management-In-C-Project"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-19933"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/872649"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/390704"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/390704/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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.

Action not permitted

CVE-2026-19933 (GCVE-0-2026-19933)

GHSA-W5GQ-MQRX-5J28

Tags

Sightings

Nomenclature