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Affected Component
Analysis
libssh
Not Affected
Name
CVE-2026-59842
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://access.redhat.com/errata/RHSA-2026:42922Issue Tracking
https://access.redhat.com/errata/RHSA-2026:55855Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-59842Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2498168Issue Tracking
Analysis#
Vulnerability Ratings#
3.7
CVSSv31
5.3
CVSSv31
NaN
other