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Vulnerabilidades / CVE-2019-3861

crítica

CVE-2019-3861

libssh2: Out-of-bounds reads with specially crafted SSH packets

Publicada Modificada CWE 125
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.

Severidad por fuente

NVD9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Red Hat5.0CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, Photon OS. Más baja según Red Hat (media), Amazon (media), Oracle (media), Ubuntu (media).

Descripción

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
Photon OS 1.0libssh21.8.2-1.ph1
Photon OS 2.0libssh21.8.2-1.ph2
Photon OS 3.0libssh21.8.2-1.ph3
alpine 3.10libssh21.8.1-r0
alpine 3.11libssh21.8.1-r0
alpine 3.12libssh21.8.1-r0
alpine 3.13libssh21.8.1-r0
alpine 3.14libssh21.8.1-r0
alpine 3.15libssh21.8.1-r0
alpine 3.16libssh21.8.1-r0
alpine 3.17libssh21.8.1-r0
alpine 3.18libssh21.8.1-r0
Mostrar las 47 entradas de 35 fuentes
FuentePaqueteCorregido en
Photon OS 1.0libssh21.8.2-1.ph1
Photon OS 2.0libssh21.8.2-1.ph2
Photon OS 3.0libssh21.8.2-1.ph3
alpine 3.10libssh21.8.1-r0
alpine 3.11libssh21.8.1-r0
alpine 3.12libssh21.8.1-r0
alpine 3.13libssh21.8.1-r0
alpine 3.14libssh21.8.1-r0
alpine 3.15libssh21.8.1-r0
alpine 3.16libssh21.8.1-r0
alpine 3.17libssh21.8.1-r0
alpine 3.18libssh21.8.1-r0
alpine 3.19libssh21.8.1-r0
alpine 3.20libssh21.8.1-r0
alpine 3.21libssh21.8.1-r0
alpine 3.22libssh21.8.1-r0
alpine 3.23libssh21.8.1-r0
alpine 3.24libssh21.8.1-r0
alpine 3.9libssh21.8.1-r0
alpine edgelibssh21.8.1-r0
amazon linux 2libssh21.4.3-12.amzn2.2.1
amazon linux 2libssh2-debuginfo1.4.3-12.amzn2.2.1
amazon linux 2libssh2-devel1.4.3-12.amzn2.2.1
amazon linux 2libssh2-docs1.4.3-12.amzn2.2.1
debian 11libssh21.8.0-2.1
debian 12libssh21.8.0-2.1
debian 13libssh21.8.0-2.1
debian 14libssh21.8.0-2.1
debian 8libssh21.4.3-4.1+deb8u2
debian 9libssh21.7.0-1+deb9u1
echolibssh21.8.0-2.1
Oracle Linux 7libssh21.8.0-3.el7
Oracle Linux 7libssh2-devel1.8.0-3.el7
Oracle Linux 7libssh2-docs1.8.0-3.el7
Red Hatlibssh2sin corrección indicada
Red Hatlibssh2-develsin corrección indicada
Red Hatlibssh2-docssin corrección indicada
Red Hatredhat-virtualization-host-image-updatesin corrección indicada
Red Hatrhvm-appliancesin corrección indicada
Red Hatvirt:8.0.0::libssh2sin corrección indicada
Red Hatvirt:8.0.0::libssh2-develsin corrección indicada
Red Hatvirt:8.0.0::libssh2-docssin corrección indicada
root.io debian 12rootio-libssh21.8.0-2.1
root.io debian 13rootio-libssh21.8.0-2.1
ubuntu 14.04-ESMlibssh21.4.3-2ubuntu0.2+esm2
ubuntu 16.04-ESMlibssh21.5.0-2ubuntu0.1+esm1
ubuntu 18.04-ESMlibssh2sin corrección indicada

Referencias

Las 20 referencias

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.