Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2025-08-11 13:54

Modified

2025-11-06 13:25

Summary

PHP mb_encode_mimeheader runs endlessly for some inputs

Details

In PHP 8.3.* before 8.3.5, function mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "libphp",
        "purl": "pkg:bitnami/libphp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.3.0"
            },
            {
              "fixed": "8.3.5"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-2757"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*"
    ],
    "severity": "High"
  },
  "details": "In PHP 8.3.* before 8.3.5, function\u00a0mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function.",
  "id": "BIT-libphp-2024-2757",
  "modified": "2025-11-06T13:25:46.476Z",
  "published": "2025-08-11T13:54:14.986Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2024/04/12/11"
    },
    {
      "type": "WEB",
      "url": "https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-2757"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20240510-0011/"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "PHP mb_encode_mimeheader runs endlessly for some inputs"
}

CVE-2024-2757 (GCVE-0-2024-2757)

Vulnerability from cvelistv5 – Published: 2024-04-29 03:49 – Updated: 2025-11-04 17:18

Title

PHP mb_encode_mimeheader runs endlessly for some inputs

Summary

Severity ?

7.5 (High)


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

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

php

References

URL

Tags

	https://github.com/php/php-src/security/advisorie…
	http://www.openwall.com/lists/oss-security/2024/0…
	https://security.netapp.com/advisory/ntap-2024051…

Impacted products

	Vendor	Product	Version
	PHP Group	PHP	Affected: 8.3.* , < 8.3.5 (semver)

Credits

Benjamin Gehrels

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:php_group:php:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "php",
            "vendor": "php_group",
            "versions": [
              {
                "status": "affected",
                "version": "8.3"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-2757",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-04-29T11:27:03.875027Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-400",
                "description": "CWE-400 Uncontrolled Resource Consumption",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:30:17.042Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T17:18:03.534Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/04/12/11"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20240510-0011/"
          },
          {
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "PHP",
          "vendor": "PHP Group",
          "versions": [
            {
              "lessThan": "8.3.5",
              "status": "affected",
              "version": "8.3.*",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Benjamin Gehrels"
        }
      ],
      "datePublic": "2024-04-11T23:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
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              "type": "text/html",
              "value": "\u003cp\u003eIn PHP 8.3.* before 8.3.5, function\u0026nbsp;mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function.\u0026nbsp;\u003cbr\u003e\u003c/p\u003e"
            }
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          "scenarios": [
            {
              "lang": "en",
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      "providerMetadata": {
        "dateUpdated": "2024-06-10T16:07:57.618Z",
        "orgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
        "shortName": "php"
      },
      "references": [
        {
          "url": "https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/04/12/11"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20240510-0011/"
        }
      ],
      "source": {
        "advisory": "https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hw",
        "discovery": "EXTERNAL"
      },
      "title": "PHP mb_encode_mimeheader runs endlessly for some inputs",
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  },
  "cveMetadata": {
    "assignerOrgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
    "assignerShortName": "php",
    "cveId": "CVE-2024-2757",
    "datePublished": "2024-04-29T03:49:15.519Z",
    "dateReserved": "2024-03-21T05:32:12.866Z",
    "dateUpdated": "2025-11-04T17:18:03.534Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2024-2757 (GCVE-0-2024-2757)

Tags

Sightings

Nomenclature