Vulnerability-Lookup

CVE-2007-4783 (GCVE-0-2007-4783)

Vulnerability from cvelistv5 – Published: 2007-09-10 21:00 – Updated: 2024-08-07 15:08

Summary

The iconv_substr function in PHP 5.2.4 and earlier allows context-dependent attackers to cause (1) a denial of service (application crash) via a long string in the charset parameter, probably also requiring a long string in the str parameter; or (2) a denial of service (temporary application hang) via a long string in the str parameter. NOTE: this might not be a vulnerability in most web server environments that support multiple threads, unless these issues can be demonstrated for code execution.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2266 records in the last 180 days details

References

10 references

URL	Tags
http://securityreason.com/securityalert/3115	third-party-advisoryx_refsource_SREASON
https://issues.rpath.com/browse/RPL-1943	x_refsource_CONFIRM
http://www.gentoo.org/security/en/glsa/glsa-20071…	vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/archive/1/478637/100…	mailing-listx_refsource_BUGTRAQ
http://secunia.com/advisories/30040	third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/27659	third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/archive/1/491693/100…	vendor-advisoryx_refsource_HP
http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242	x_refsource_CONFIRM
http://secunia.com/advisories/27102	third-party-advisoryx_refsource_SECUNIA
http://osvdb.org/38917	vdb-entryx_refsource_OSVDB

Date Public

2007-09-04 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "http://www.securityfocus.com/archive/1/491693/100/0/threaded"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://issues.rpath.com/browse/RPL-1943"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://osvdb.org/38917"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/27102"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/27659"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/30040"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://securityreason.com/securityalert/3115"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/archive/1/478637/100/0/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/archive/1/491693/100/0/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://issues.rpath.com/browse/RPL-1943"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vendorComments": [
          {
            "comment": "We do not consider this to be a security issue. For more information please see\nhttp://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169857#c1\nand http://www.php.net/security-note.php",
            "lastModified": "2007-09-12T00:00:00",
            "organization": "Red Hat"
          }
        ],
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-11-21T13:18:57+00:00",
      "cve": "CVE-2007-4783",
      "id": "CVE-2007-4783",
      "initial_release_date": "2007-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "php crash in iconv_substr() function",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2007/cve-2007-4783.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-11-04T02:57:58Z",
      "cve": "CVE-2007-4783",
      "id": "CVE-2007-4783",
      "initial_release_date": "2023-02-15T06:10:56Z",
      "product_status:known_affected": "2532",
      "product_status:recommended": "559",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2007-4783",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2023/cve-2007-4783.json",
      "version": "16"
    }
  }
}

FKIE_CVE-2007-4783

Vulnerability from fkie_nvd - Published: 2007-09-10 21:17 - Updated: 2026-06-16 22:44

Severity

Summary

References

	URL	Tags
	cve@mitre.org	http://osvdb.org/38917
	cve@mitre.org	http://secunia.com/advisories/27102
	cve@mitre.org	http://secunia.com/advisories/27659
	cve@mitre.org	http://secunia.com/advisories/30040
	cve@mitre.org	http://securityreason.com/securityalert/3115
	cve@mitre.org	http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242
	cve@mitre.org	http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
	cve@mitre.org	http://www.securityfocus.com/archive/1/478637/100/0/threaded
	cve@mitre.org	http://www.securityfocus.com/archive/1/491693/100/0/threaded
	cve@mitre.org	https://issues.rpath.com/browse/RPL-1943
	af854a3a-2127-422b-91ae-364da2661108	http://osvdb.org/38917
	af854a3a-2127-422b-91ae-364da2661108	http://secunia.com/advisories/27102
	af854a3a-2127-422b-91ae-364da2661108	http://secunia.com/advisories/27659
	af854a3a-2127-422b-91ae-364da2661108	http://secunia.com/advisories/30040
	af854a3a-2127-422b-91ae-364da2661108	http://securityreason.com/securityalert/3115
	af854a3a-2127-422b-91ae-364da2661108	http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242
	af854a3a-2127-422b-91ae-364da2661108	http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
	af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/archive/1/478637/100/0/threaded
	af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/archive/1/491693/100/0/threaded
	af854a3a-2127-422b-91ae-364da2661108	https://issues.rpath.com/browse/RPL-1943

Impacted products

	Vendor	Product	Version
	php	php	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A5B6B1C7-B7B8-495E-9FE5-FF39718DC64E",
              "versionEndIncluding": "5.2.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The iconv_substr function in PHP 5.2.4 and earlier allows context-dependent attackers to cause (1) a denial of service (application crash) via a long string in the charset parameter, probably also requiring a long string in the str parameter; or (2) a denial of service (temporary application hang) via a long string in the str parameter.  NOTE: this might not be a vulnerability in most web server environments that support multiple threads, unless these issues can be demonstrated for code execution."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n iconv_substr en PHP 5.2.4 y anteriores permite a atacantes dependientes del contexto provocar (1) denegaci\u00f3n de servicio (caida de aplicaci\u00f3n) a trav\u00e9s de una cadena larga en el par\u00e1metro charset, probablemente tambi\u00e9n requiera de una cadena larga en el par\u00e1metro str; o (2) denegaci\u00f3n de servicio (cuelgue temporal de la aplicaci\u00f3n) a trav\u00e9s de una cadena larga en el par\u00e1metro str. NOTA: esto podr\u00eda no ser una vulnerabilidad en muchos entornos de servidor web que soporten m\u00faltiples hilos, a menos que estos asuntos puedan demostrarse para la ejecuci\u00f3n de c\u00f3digo."
    }
  ],
  "id": "CVE-2007-4783",
  "lastModified": "2026-06-16T22:44:47.330",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2007-09-10T21:17:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://osvdb.org/38917"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/27102"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/27659"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/30040"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://securityreason.com/securityalert/3115"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/archive/1/478637/100/0/threaded"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/archive/1/491693/100/0/threaded"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://issues.rpath.com/browse/RPL-1943"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/38917"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/27102"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/27659"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/30040"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://securityreason.com/securityalert/3115"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/478637/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/491693/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://issues.rpath.com/browse/RPL-1943"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vendorComments": [
    {
      "comment": "We do not consider this to be a security issue. For more information please see\nhttp://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169857#c1\nand http://www.php.net/security-note.php",
      "lastModified": "2007-09-12T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-885X-FP24-CX7W

Vulnerability from github – Published: 2022-05-01 18:27 – Updated: 2022-05-01 18:27

Details

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2007-4783"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2007-09-10T21:17:00Z",
    "severity": "MODERATE"
  },
  "details": "The iconv_substr function in PHP 5.2.4 and earlier allows context-dependent attackers to cause (1) a denial of service (application crash) via a long string in the charset parameter, probably also requiring a long string in the str parameter; or (2) a denial of service (temporary application hang) via a long string in the str parameter.  NOTE: this might not be a vulnerability in most web server environments that support multiple threads, unless these issues can be demonstrated for code execution.",
  "id": "GHSA-885x-fp24-cx7w",
  "modified": "2022-05-01T18:27:01Z",
  "published": "2022-05-01T18:27:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2007-4783"
    },
    {
      "type": "WEB",
      "url": "https://issues.rpath.com/browse/RPL-1943"
    },
    {
      "type": "WEB",
      "url": "http://osvdb.org/38917"
    },
    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/27102"
    },
    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/27659"
    },
    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/30040"
    },
    {
      "type": "WEB",
      "url": "http://securityreason.com/securityalert/3115"
    },
    {
      "type": "WEB",
      "url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242"
    },
    {
      "type": "WEB",
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/archive/1/478637/100/0/threaded"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/archive/1/491693/100/0/threaded"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

GSD-2007-4783

Vulnerability from gsd - Updated: 2023-12-13 01:21

Details

Aliases

CVE-2007-4783

Aliases

CVE-2007-4783

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2007-4783",
    "description": "The iconv_substr function in PHP 5.2.4 and earlier allows context-dependent attackers to cause (1) a denial of service (application crash) via a long string in the charset parameter, probably also requiring a long string in the str parameter; or (2) a denial of service (temporary application hang) via a long string in the str parameter.  NOTE: this might not be a vulnerability in most web server environments that support multiple threads, unless these issues can be demonstrated for code execution.",
    "id": "GSD-2007-4783",
    "references": [
      "https://www.suse.com/security/cve/CVE-2007-4783.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2007-4783"
      ],
      "details": "The iconv_substr function in PHP 5.2.4 and earlier allows context-dependent attackers to cause (1) a denial of service (application crash) via a long string in the charset parameter, probably also requiring a long string in the str parameter; or (2) a denial of service (temporary application hang) via a long string in the str parameter.  NOTE: this might not be a vulnerability in most web server environments that support multiple threads, unless these issues can be demonstrated for code execution.",
      "id": "GSD-2007-4783",
      "modified": "2023-12-13T01:21:36.256484Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2007-4783",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
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          {
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              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242"
            },
            {
              "name": "38917",
              "refsource": "OSVDB",
              "tags": [],
              "url": "http://osvdb.org/38917"
            },
            {
              "name": "SSRT080056",
              "refsource": "HP",
              "tags": [],
              "url": "http://www.securityfocus.com/archive/1/491693/100/0/threaded"
            },
            {
              "name": "20070905 PHP \u003c=5.2.4 iconv_substr() denial of service",
              "refsource": "BUGTRAQ",
              "tags": [],
              "url": "http://www.securityfocus.com/archive/1/478637/100/0/threaded"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2018-10-15T21:38Z",
      "publishedDate": "2007-09-10T21:17Z"
    }
  }
}

OPENSUSE-SU-2024:11167-1

Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2026-09-20 20:12

Summary

php7-7.4.24-1.1 on GA media

Severity

Moderate

Scope

44 vulnerabilities in this advisory, including CVE-2007-4783.

CVE-2007-4783

Recommended: 196 products

Open the full advisory

OPENSUSE-SU-2024:11169-1

Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2026-09-20 20:13

Summary

php8-8.0.11-1.1 on GA media

Severity

Moderate

Scope

97 vulnerabilities in this advisory, including CVE-2007-4783.

CVE-2007-4783

Recommended: 188 products

Open the full advisory

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2007-4783 (GCVE-0-2007-4783)

FKIE_CVE-2007-4783

GHSA-885X-FP24-CX7W

GSD-2007-4783

OPENSUSE-SU-2024:11167-1

OPENSUSE-SU-2024:11169-1

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour