FKIE_CVE-2026-29167

Vulnerability from fkie_nvd - Published: 2026-06-08 16:16 - Updated: 2026-07-23 07:10
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Use After Free vulnerability in Apache HTTP Server with mod_ldap in per-directory configuration This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.
References
security@apache.orghttps://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2026/06/08/4Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2026/06/09/1Mailing List
Impacted products
Vendor Product Version
apache http_server *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache HTTP Server",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "2.4.67",
              "status": "affected",
              "version": "2.4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@apache.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "03F07E89-F9BF-4913-8250-F79447AA6EBD",
              "versionEndExcluding": "2.4.68",
              "versionStartIncluding": "2.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use After Free vulnerability in Apache HTTP Server with mod_ldap in per-directory configuration\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.\n\nUsers are recommended to upgrade to version 2.4.68, which fixes the issue."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad Use After Free en el Servidor HTTP Apache con mod_ldap en la configuraci\u00f3n por directorio.\n\nEste problema afecta al Servidor HTTP Apache: desde la 2.4.0 hasta la 2.4.67.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 2.4.68, que corrige el problema."
    }
  ],
  "id": "CVE-2026-29167",
  "lastModified": "2026-07-23T07:10:00.113",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-29167",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-09T12:31:15.680589Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-08T16:16:37.967",
  "references": [
    {
      "source": "security@apache.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2026/06/08/4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2026/06/09/1"
    }
  ],
  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "security@apache.org",
      "type": "Secondary"
    }
  ]
}



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Sightings

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Nomenclature

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • 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.



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