CVE-2020-9283
golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allows for panic
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 21, 2020
Updated · November 4, 2026
Description
A denial of service vulnerability was found in the SSH package of the golang.org/x/crypto library. An attacker could exploit this flaw by supplying crafted SSH ed25519 keys to cause a crash in applications that use this package as either an SSH client or server.
Statement
OpenShift Container Platform uses the vulnerable library in a number of components but strictly as an SSH client. The severity of this vulnerability is reduced for clients as it requires connections to malicious SSH servers, with the maximum impact only a client crash. This vulnerability is rated Low for OpenShift Container Platform.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-130 · Improper Handling of Length Parameter Inconsistency