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%Risk 0.68
View source- Published
- 2026-07-21 12:18:57
- Affected versions
- unknown
- Type
- Library
- Last modified
- 2026-07-30 13:13:28
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Operating systems
- Linux