CVE-2026-59842

LOW SEVERITY

CVSS Score & Metrics

Base Score

3.7 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

July 21, 2026

Last Modified

July 22, 2026

CWE ID

CWE-125

Source

NVD

Vendor

Red Hat

Product

Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Hardened Images

External References

https://access.redhat.com/security/cve/CVE-2026-59842
https://bugzilla.redhat.com/show_bug.cgi?id=2498168

CVE-2026-59842

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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