cve-2026-114645

{
  "document": {
    "category": "csaf_vex",
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    "distribution": {
      "text": "Copyright © Red Hat, Inc. All rights reserved.",
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    "lang": "en",
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        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
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    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-114645.json"
      }
    ],
    "title": "mongo-c-driver: mongo-c-driver: Denial of Service via integer wraparound in Windows authentication",
    "tracking": {
      "current_release_date": "2026-10-23T08:07:53+00:00",
      "generator": {
        "date": "2026-10-23T08:07:53+00:00",
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          "name": "Red Hat SDEngine",
          "version": "5.4.2"
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      },
      "id": "CVE-2026-114645",
      "initial_release_date": "2026-10-22T19:13:49.867000+00:00",
      "revision_history": [
        {
          "date": "2026-10-22T19:13:49.867000+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-10-23T07:58:54+00:00",
          "number": "2",
          "summary": "Current version"
        },
        {
          "date": "2026-10-23T08:07:53+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
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        "name": "Red Hat",
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  "vulnerabilities": [
    {
      "cve": "CVE-2026-114645",
      "discovery_date": "2026-10-22T20:56:09.126633+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "red_hat_products"
          ]
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in mongo-c-driver. An integer wraparound in the Windows-native Kerberos authentication code can occur when an excessively long credential value is supplied in the client connection configuration. An attacker capable of modifying this client configuration can cause the driver to allocate an undersized memory buffer and write outside its bounds. This flaw may result in memory corruption and a Denial of Service (DoS) of the client application.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "red_hat_products"
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-114645"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-114645",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-114645"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-114645",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-114645"
        },
        {
          "category": "external",
          "summary": "https://github.com/mongodb/mongo-c-driver/releases/tag/1.30.14",
          "url": "https://github.com/mongodb/mongo-c-driver/releases/tag/1.30.14"
        },
        {
          "category": "external",
          "summary": "https://github.com/mongodb/mongo-c-driver/releases/tag/2.5.7",
          "url": "https://github.com/mongodb/mongo-c-driver/releases/tag/2.5.7"
        },
        {
          "category": "external",
          "summary": "https://jira.mongodb.org/browse/CDRIVER-6421",
          "url": "https://jira.mongodb.org/browse/CDRIVER-6421"
        }
      ],
      "release_date": "2026-10-22T19:13:49.867000+00:00",
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "red_hat_products"
          ]
        }
      ],
      "title": "mongo-c-driver: mongo-c-driver: Denial of Service via integer wraparound in Windows authentication"
    }
  ]
}