CVE-2019-3855 (GCVE-0-2019-3855)
Vulnerability from cvelistv5 – Published: 2019-03-21 20:13 – Updated: 2025-12-17 21:40
VLAI?
Summary
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
Severity ?
7.5 (High)
Assigner
References
27 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The libssh2 Project | libssh2 |
Affected:
1.8.1
|
Date Public ?
2019-03-13 00:00
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"dateReserved": "2019-01-03T00:00:00.000Z",
"dateUpdated": "2025-12-17T21:40:11.249Z",
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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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