PT-2026-61858 · Red Hat · Red Hat Enterprise Linux 10+3

CVE-2026-59843 · Publicado 2026-07-21 · Atualizado 2026-07-21

Mitre

CVSS v3.1

6.5

Média

Vetor base

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSH MSG CHANNEL OPEN, causing later channel writes to loop indefinitely and consume CPU, leading to denial of service.

Correção

Identificadores relacionados

CVE-2026-59843

Produtos afetados

Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 9

Red Hat Hardened Images

Referências · 3

• https://access.redhat.com/security/cve/CVE-2026-59843 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-59843 · Nota de Segurança
• https://bugzilla.redhat.com/show_bug.cgi?id=2498176 · Nota