CVE-2015-3217 (GCVE-0-2015-3217)
Vulnerability from cvelistv5 – Published: 2016-12-13 16:00 – Updated: 2024-08-06 05:39
VLAI
EPSS
VEX
Summary
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.
Severity
7.5 (High)
CWE
- n/a
Assigner
References
10 references
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|---|---|
| https://access.redhat.com/errata/RHSA-2016:1132 | vendor-advisoryx_refsource_REDHAT |
| http://vcs.pcre.org/pcre?view=revision&revision=1566 | x_refsource_CONFIRM |
| https://bugs.exim.org/show_bug.cgi?id=1638 | x_refsource_CONFIRM |
| http://www.oracle.com/technetwork/topics/security… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2015/06/03/7 | mailing-listx_refsource_MLIST |
| http://www-01.ibm.com/support/docview.wss?uid=isg… | x_refsource_CONFIRM |
| http://rhn.redhat.com/errata/RHSA-2016-1025.html | vendor-advisoryx_refsource_REDHAT |
| http://rhn.redhat.com/errata/RHSA-2016-2750.html | vendor-advisoryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=1228283 | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/75018 | vdb-entryx_refsource_BID |
Date Public
2015-06-03 00:00
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"value": "PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\\\.|([^\\\\\\\\W_])?)+)+$/."
},
{
"lang": "es",
"value": "PCRE 7.8 y 8.32 hasta la versi\u00f3n 8.37 y PCRE2 10.10 no maneja adecuadamente las partidas de grupo vac\u00edas, lo que podr\u00edan permitir a atacantes remotos provocar una denegaci\u00f3n de servicio (desbordamientos de b\u00fafer basado en pila) a trav\u00e9s de una expresi\u00f3n regular manipulada, seg\u00fan lo demostrado por /^(?:(?(1)\\\\.|([^\\\\\\\\W_])?)+)+$/."
}
],
"id": "CVE-2015-3217",
"lastModified": "2026-05-06T22:30:45.220",
"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
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2016-12-13T16:59:02.220",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://rhn.redhat.com/errata/RHSA-2016-1025.html"
},
{
"source": "secalert@redhat.com",
"url": "http://rhn.redhat.com/errata/RHSA-2016-2750.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch"
],
"url": "http://vcs.pcre.org/pcre?view=revision\u0026revision=1566"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List"
],
"url": "http://www.openwall.com/lists/oss-security/2015/06/03/7"
},
{
"source": "secalert@redhat.com",
"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/75018"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2016:1132"
},
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugs.exim.org/show_bug.cgi?id=1638"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1228283"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2016-1025.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2016-2750.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "http://vcs.pcre.org/pcre?view=revision\u0026revision=1566"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List"
],
"url": "http://www.openwall.com/lists/oss-security/2015/06/03/7"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/75018"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2016:1132"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugs.exim.org/show_bug.cgi?id=1638"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1228283"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-08-04T21:59:24+00:00",
"cve": "CVE-2015-3217",
"id": "CVE-2015-3217",
"initial_release_date": "2015-06-03T00:00:00+00:00",
"product_status:fixed": "415",
"product_status:known_affected": "73",
"product_status:known_not_affected": "17",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "pcre: stack overflow caused by mishandled group empty match (8.38/11)",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-3217.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-01T02:32:01Z",
"cve": "CVE-2015-3217",
"id": "CVE-2015-3217",
"initial_release_date": "2023-02-15T05:19:22Z",
"product_status:known_affected": "471",
"product_status:known_not_affected": "405",
"product_status:recommended": "736",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2015-3217",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-3217.json",
"version": "43"
}
}
}
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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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