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CVE-2026-3731

MEDIUM

5.3

Descripcion

A weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftp_extensions_get_name/sftp_extensions_get_data of the file src/sftp.c of the component SFTP Extension Name Handler. Executing a manipulation of the argument idx can lead to out-of-bounds read. The attack may be performed from remote. Upgrading to version 0.11.4 and 0.12.0 is sufficient to resolve this issue. This patch is called 855a0853ad3abd4a6cd85ce06fce6d8d4c7a0b60. You should upgrade the affected component.

Detalles CVE

Puntuacion CVSS v3.15.3

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado3/8/2026

Ultima modificacion3/12/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

libssh:libssh

Debilidades (CWE)

CWE-119CWE-125

Referencias

https://gitlab.com/libssh/libssh-mirror/-/commit/855a0853ad3abd4a6cd85ce06fce6d8d4c7a0b60(cna@vuldb.com)

https://vuldb.com/?ctiid.349709(cna@vuldb.com)

https://vuldb.com/?id.349709(cna@vuldb.com)

https://vuldb.com/?submit.767120(cna@vuldb.com)

https://www.libssh.org/files/0.12/libssh-0.12.0.tar.xz(cna@vuldb.com)

https://www.libssh.org/security/advisories/libssh-2026-sftp-extensions.txt(cna@vuldb.com)

Correlaciones IOC

Sin correlaciones registradas

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