CVEvulnerability

CVE-2026-59842

5.3 MEDIUM Published 2026-07-21 Modified 2026-09-22 Official page ↗
Status
Analyzed
Published
2026-07-21
Last modified
2026-09-22
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-125

Description

A flaw was found in libssh. During server-side GSSAPI key exchange, a client-supplied Curve25519 public key shorter than the expected length is copied without proper length validation, leading to an out-of-bounds heap read. This could allow a remote unauthenticated attacker to disclose small amounts of server memory.

Affected configurations

• libssh libssh 0.12.0 • redhat hardened images • redhat enterprise linux 10.0 • redhat enterprise linux 10.2 • redhat enterprise linux for els 10.2 • redhat enterprise linux for eus 10.2 • redhat enterprise linux for ibm z systems 10.0 • redhat enterprise linux for ibm z systems 10.2 • redhat enterprise linux for ibm z systems els 10.2 • redhat enterprise linux for ibm z systems eus 10.2 • redhat enterprise linux for power little endian 10.0 • redhat enterprise linux for power little endian 10.2 • redhat enterprise linux for power little endian els 10.2 • redhat enterprise linux for power little endian eus 10.2

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References