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CVE-2026-56968

Full vulnerability record from the local CVENow database.

Description

GNU SASL before 2.2.4 lacks sanitization of a short challenge in _gsasl_ntlm_client_step in the NTLM client, which could result in memory disclosure via a crafted server.

Severity
MEDIUM
CVSS score
5.3 (v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-06-23 17:17:09.883000
Last modified
2026-10-25 23:10:00.167000
View original CVE JSON
{
  "id": "CVE-2026-56968",
  "sourceIdentifier": "[email protected]",
  "published": "2026-06-23T17:17:09.883",
  "lastModified": "2026-10-25T23:10:00.167",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GNU SASL before 2.2.4 lacks sanitization of a short challenge in _gsasl_ntlm_client_step in the NTLM client, which could result in memory disclosure via a crafted server."
    },
    {
      "lang": "es",
      "value": "GNU SASL anterior a 2.2.4 carece de saneamiento de un desafío corto en _gsasl_ntlm_client_step en el cliente NTLM, lo que podría resultar en la divulgación de memoria a través de un servidor manipulado."
    }
  ],
  "affected": [
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      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "GNU",
          "product": "GNU SASL",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "2.2.4",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
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          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
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        "impactScore": 1.4
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      "description": [
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          "value": "CWE-908"
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  "configurations": [
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  "references": [
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      "url": "https://ftp.gnu.org/gnu/gsasl/",
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