PT-2026-61940 · Libssh+1 · Libssh+1

CVE-2026-59848

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Published

2026-07-21

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Updated

2026-09-01

CVSS v3.1

5.3

Medium

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Name of the Vulnerable Software and Affected Versions libssh (affected versions not specified)
Description A flaw exists where a malicious SFTP server can send responses for unknown request IDs. The libssh client queues these responses indefinitely, leading to unbounded memory growth and a client-side denial of service.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Allocation of Resources Without Limits

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Weakness Enumeration

Related Identifiers

ALSA-2026:55855
ALSA-2026:62217
ALSA-2026:62218
AZL-93240
CVE-2026-59848
ECHO-B7FC-A7AC-F445
OPENSUSE-SU-2026:11377-1
OPENSUSE-SU-2026:21444-1
RHSA-2026:42922
SUSE-SU-2026:22940-1
SUSE-SU-2026:22948-1
SUSE-SU-2026:22956-1
SUSE-SU-2026:23056-1
SUSE-SU-2026:23168-1
SUSE-SU-2026:3302-1
SUSE-SU-2026:3330-1
SUSE-SU-2026:3463-1
USN-8699-1

Affected Products

Rocky Linux
Libssh