CVE-2016-5114 (GCVE-0-2016-5114)
Vulnerability from cvelistv5 – Published: 2016-08-07 10:00 – Updated: 2024-08-06 00:53
VLAI
EPSS
VEX
Summary
sapi/fpm/fpm/fpm_log.c in PHP before 5.5.31, 5.6.x before 5.6.17, and 7.x before 7.0.2 misinterprets the semantics of the snprintf return value, which allows attackers to obtain sensitive information from process memory or cause a denial of service (out-of-bounds read and buffer overflow) via a long string, as demonstrated by a long URI in a configuration with custom REQUEST_URI logging.
Severity
9.1 (Critical)
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugs.php.net/bug.php?id=70755 | x_refsource_CONFIRM |
| http://rhn.redhat.com/errata/RHSA-2016-2750.html | vendor-advisoryx_refsource_REDHAT |
| http://php.net/ChangeLog-5.php | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2016/05/29/1 | mailing-listx_refsource_MLIST |
| http://php.net/ChangeLog-7.php | x_refsource_CONFIRM |
| https://h20566.www2.hpe.com/portal/site/hpsc/publ… | x_refsource_CONFIRM |
| http://github.com/php/php-src/commit/2721a0148649… | x_refsource_CONFIRM |
| http://www.search-lab.hu/about-us/news/111-some-u… | x_refsource_MISC |
Date Public
2016-01-05 00:00
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{
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{
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{
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{
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{
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"matchCriteriaId": "C7CEF6D7-8966-45E7-BEBB-12055F5898C6",
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{
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"matchCriteriaId": "171C1035-414C-4F3A-90F4-1A8ED26E3346",
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},
{
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},
{
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "sapi/fpm/fpm/fpm_log.c in PHP before 5.5.31, 5.6.x before 5.6.17, and 7.x before 7.0.2 misinterprets the semantics of the snprintf return value, which allows attackers to obtain sensitive information from process memory or cause a denial of service (out-of-bounds read and buffer overflow) via a long string, as demonstrated by a long URI in a configuration with custom REQUEST_URI logging."
},
{
"lang": "es",
"value": "sapi/fpm/fpm/fpm_log.c en PHP en versiones anteriores a 5.5.31, 5.6.x en versiones anteriores a 5.6.17 y 7.x en versiones anteriores a 7.0.2 malinterpreta la sem\u00e1ntica del valor de retorno snprinfg, lo que permite a atacantes remotos obtener informaci\u00f3n sensible del proceso de memoria o provocar una denegaci\u00f3n de servicio (lectura fuera de rango y desbordamiento de b\u00fafer) a trav\u00e9s de una cadena larga, como se demuestra por una URl larga en una configuraci\u00f3n con inicio de sesi\u00f3n REQUEST_URI personalizado."
}
],
"id": "CVE-2016-5114",
"lastModified": "2026-05-06T22:30:45.220",
"metrics": {
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{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.4,
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"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 4.9,
"obtainAllPrivilege": false,
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},
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"source": "nvd@nist.gov",
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},
"published": "2016-08-07T10:59:10.947",
"references": [
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"url": "http://github.com/php/php-src/commit/2721a0148649e07ed74468f097a28899741eb58f?w=1"
},
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},
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},
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},
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{
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},
{
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"value": "CWE-119"
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},
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"current_release_date": "2026-06-28T06:47:41+00:00",
"cve": "CVE-2016-5114",
"id": "CVE-2016-5114",
"initial_release_date": "2016-01-01T00:00:00+00:00",
"product_status:fixed": "251",
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"source": "Red Hat CSAF VEX",
"status": "final",
"title": "php: out-of-bounds write in fpm_log.c",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-5114.json",
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"current_release_date": "2026-09-02T08:54:00Z",
"cve": "CVE-2016-5114",
"id": "CVE-2016-5114",
"initial_release_date": "2023-02-15T05:01:53Z",
"product_status:known_affected": "2533",
"product_status:known_not_affected": "17",
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"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2016-5114",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-5114.json",
"version": "15"
}
}
}
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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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