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CVE-2026-3731

MEDIUM

5.3

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.3

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/8/2026

Ultima modificacao3/12/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

libssh:libssh

Fraquezas (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)

Correlacoes IOC

Sem correlacoes registradas

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