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CVE-2026-59843

libssh

Description

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.

CVSS 6.5EPSS 0.506%Risque 0.68
Voir la source
Publication
2026-07-21 12:18:57
Versions concernées
unknown
Type
Bibliothèque
Dernière modification
2026-07-30 13:13:28
Vecteur
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Systèmes d’exploitation
Linux