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CVE search · CVE-2026-59843

CVE-2026-59843

medium 6.5

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.

Open in the NVD CVE.org JSON

Details

Status
Modified
Published
Last changed
Source
secalert@redhat.com
Weakness
CWE-835, CWE-400

Severity

VersionScoreVectorSource
CVSS 3.1 medium 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H secalert@redhat.comSecondary

Affected products

Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.

References