ALSA-2026:47756
ALSA-2026:47756 · Important: openssh security update
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Security Fix(es): * openssh: Local MITM of X11 forwarding via abstract UNIX socket pre-binding in AlmaLinux OpenSSH client versions (CVE-2026-55655) * openssh: Double free in AlmaLinux versions of OpenSSH DH-GEX client path during FIPS known-group validation leads to client-side denial of service (CVE-2026-55653) * openssh: Heap out-of-bounds read in AlmaLinux versions of OpenSSH GSSAPI indicator cleanup due to missing NULL sentinel termination (CVE-2026-55654) * openssh: OpenSSH: Use-after-free vulnerability during host key re-exchange on the client side (CVE-2026-60002) * openssh: OpenSSH: `scp` file misplacement vulnerability during remote copy (CVE-2026-59996) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system · network
Productos y versiones afectados
openssh AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 9.9p1-9.el9_8.alma.1
Actualiza a 9.9p1-9.el9_8.alma.1
openssh-askpass AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 9.9p1-9.el9_8.alma.1
Actualiza a 9.9p1-9.el9_8.alma.1
openssh-clients AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 9.9p1-9.el9_8.alma.1
Actualiza a 9.9p1-9.el9_8.alma.1
openssh-keycat AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 9.9p1-9.el9_8.alma.1
Actualiza a 9.9p1-9.el9_8.alma.1
openssh-server AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 9.9p1-9.el9_8.alma.1
Actualiza a 9.9p1-9.el9_8.alma.1
pam_ssh_agent_auth AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 0.10.4-7.9.el9_8.alma.1
Actualiza a 0.10.4-7.9.el9_8.alma.1
Fuentes originales
- https://access.redhat.com/errata/RHSA-2026:47756
- https://access.redhat.com/security/cve/CVE-2026-55653
- https://access.redhat.com/security/cve/CVE-2026-55654
- https://access.redhat.com/security/cve/CVE-2026-55655
- https://access.redhat.com/security/cve/CVE-2026-59996
- https://access.redhat.com/security/cve/CVE-2026-60002
- https://bugzilla.redhat.com/2462250
- https://bugzilla.redhat.com/2462351
- https://bugzilla.redhat.com/2462493
- https://bugzilla.redhat.com/2497936
- https://bugzilla.redhat.com/2497944
- https://errata.almalinux.org/9/ALSA-2026-47756.html
- https://osv.dev/vulnerability/ALSA-2026:47756