CVE-2007-4783 (GCVE-0-2007-4783)
Vulnerability from cvelistv5 – Published: 2007-09-10 21:00 – Updated: 2024-08-07 15:08
VLAI
EPSS
VEX
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
- n/a
Assigner
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
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"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": "2026-09-02T13:09:58Z",
"cve": "CVE-2007-4783",
"id": "CVE-2007-4783",
"initial_release_date": "2023-02-15T06:10:56Z",
"product_status:known_affected": "2532",
"product_status:recommended": "507",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2007-4783",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2007-4783.json",
"version": "14"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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.
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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.
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