VULNERABILITY INTELLIGENCE

CVE-2026-59848

CVSS score5.3 MEDIUM
EPSS probability0.34%
CISA KEVNot currently listed
Published2026-07-21
Last modified2026-09-01
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Description

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service.

Weakness classification

  • secalert@redhat.com: CWE-770
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-770

Primary references