Out-of-bounds Read in Red Hat Enterprise Linux 10
CVE-2026-59842
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 allo…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
Frequently asked questions
- What is CVE-2026-59842?
- CVE-2026-59842 is a low-severity vulnerability in Red Hat Enterprise Linux 10, classified under Out-of-bounds Read. CVSS score: 3.7/10. Published 2026-07-21.
- How severe is CVE-2026-59842?
- Low severity. CVSS v3 base score is 3.7 out of 10.