FKIE_CVE-2016-2563
Vulnerability from fkie_nvd - Published: 2016-04-07 23:59 - Updated: 2026-06-17 00:44
Severity
Summary
Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service (stack memory corruption) or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| 9bis | kitty | * | |
| simon_tatham | putty | * |
{
"affected": [
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"source": "cve@mitre.org"
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"configurations": [
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"versionEndIncluding": "0.66.6.3",
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"descriptions": [
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"value": "Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service (stack memory corruption) or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request."
},
{
"lang": "es",
"value": "Desbordamiento de buffer basado en pila en la utilidad comando-l\u00ednea de SCP en PuTTY en versiones anteriores a 0.67 y KiTTY 0.66.6.3 y versiones anteriores permite a servidores remotos causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria de pila) o ejecutar c\u00f3digo arbitrario a trav\u00e9s de una respuesta de tam\u00f1o de archivo SCP-SINK a una petici\u00f3n de descarga SCP."
}
],
"id": "CVE-2016-2563",
"lastModified": "2026-06-17T00:44:18.253",
"metrics": {
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"baseSeverity": "HIGH",
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"integrityImpact": "PARTIAL",
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"version": "2.0"
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"published": "2016-04-07T23:59:07.657",
"references": [
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"url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00131.html"
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"vulnStatus": "Modified",
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}
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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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