FKIE_CVE-2019-3859
Vulnerability from fkie_nvd - Published: 2019-03-21 16:01 - Updated: 2026-06-17 02:35
Severity
Summary
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libssh2 | libssh2 | * | |
| fedoraproject | fedora | 28 | |
| fedoraproject | fedora | 29 | |
| debian | debian_linux | 8.0 | |
| debian | debian_linux | 9.0 | |
| netapp | ontap_select_deploy_administration_utility | - | |
| opensuse | leap | 15.0 | |
| opensuse | leap | 42.3 |
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"cveTags": [],
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"value": "An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory."
},
{
"lang": "es",
"value": "Se ha descubierto un error de lectura fuera de l\u00edmites en libssh2, en versiones anteriores a la 1.8.1, en las funciones _libssh2_packet_require y _libssh2_packet_requirev. Un atacante remoto que comprometa un servidor SSH podr\u00eda ser capaz de provocar una denegaci\u00f3n de servicio o una lectura de datos en la memoria del cliente."
}
],
"id": "CVE-2019-3859",
"lastModified": "2026-06-17T02:35:44.770",
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"timestamp": "2025-12-18T11:43:41.716172Z",
"version": "2.0.3"
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"published": "2019-03-21T16:01:04.843",
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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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