Feed/CVE-2026-59843
CVE-2026-59843MEDIUMCVSS 6.5

CVE-2026-59843

Published Jul 21, 2026·Updated Aug 17, 2026

NVD 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 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

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