CVE-2025-5449
CVE-2025-5449 · Libssh: integer overflow in libssh sftp server packet length validation leading to denial of service
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
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.
CVSS 6.5 · Media · EPSS 1,0% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system
Productos y versiones afectados
red hat enterprise linux 10
Sin corrección publicada
red hat enterprise linux 6
Sin corrección publicada
red hat enterprise linux 7
Sin corrección publicada
red hat enterprise linux 8
Sin corrección publicada
red hat enterprise linux 9
Sin corrección publicada
red hat openshift container platform 4
Sin corrección publicada
libssh Debian:13
- Intervalos de versiones afectados
- ECOSYSTEM: < 0.11.2-1
Actualiza a 0.11.2-1
libssh Debian:14
- Intervalos de versiones afectados
- ECOSYSTEM: < 0.11.2-1
Actualiza a 0.11.2-1
Fuentes originales
- https://access.redhat.com/security/cve/CVE-2025-5449
- https://bugzilla.redhat.com/show_bug.cgi?id=2369705
- https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=261612179f740bc62ba363d98b3bd5e5573a811f
- https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=3443aec90188d6aab9282afc80a81df5ab72c4da
- https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=5504ff40515439a5fecbb17da7483000c4d12eb7
- https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=78485f446af9b30e37eb8f177b81940710d54496
- https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=f79ec51b7fd519dbc5737a7ba826e3ed093f6ceb
- https://www.libssh.org/security/advisories/CVE-2025-5449.txt
- https://nvd.nist.gov/vuln/detail/CVE-2025-5449