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CVE-2025-5449
MEDIUM6.5
Descricao
A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash, resulting in a denial of service.
Detalhes CVE
Pontuacao CVSS v3.16.5
SeveridadeMEDIUM
Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vetor de ataqueNETWORK
ComplexidadeLOW
Privilegios necessariosLOW
Interacao do usuarioNONE
Publicado7/25/2025
Ultima modificacao1/8/2026
Fontenvd
Avistamentos honeypot0
Produtos afetados
libssh:libssh
Fraquezas (CWE)
CWE-190
Referencias
https://access.redhat.com/security/cve/CVE-2025-5449(secalert@redhat.com)
https://bugzilla.redhat.com/show_bug.cgi?id=2369705(secalert@redhat.com)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=261612179f740bc62ba363d98b3bd5e5573a811f(secalert@redhat.com)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=3443aec90188d6aab9282afc80a81df5ab72c4da(secalert@redhat.com)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=5504ff40515439a5fecbb17da7483000c4d12eb7(secalert@redhat.com)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=78485f446af9b30e37eb8f177b81940710d54496(secalert@redhat.com)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=f79ec51b7fd519dbc5737a7ba826e3ed093f6ceb(secalert@redhat.com)
https://www.libssh.org/security/advisories/CVE-2025-5449.txt(secalert@redhat.com)
Correlacoes IOC
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