Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.
From VID-A4F8BB03-F52F-11ED-9859-080027083A05:
Wei Chong Tan, Harry Sintonen, and Hiroki Kurosawa reports:
This update fixes 4 security vulnerabilities:
Medium CVE-2023-28319: UAF in SSH sha256 fingerprint check. Reported by Wei Chong Tan on 2023-03-21
Low CVE-2023-28320: siglongjmp race condition. Reported by Harry Sintonen on 2023-04-02
Low CVE-2023-28321: IDN wildcard match. Reported by Hiroki Kurosawa on 2023-04-17
Low CVE-2023-28322: more POST-after-PUT confusion. Reported by Hiroki Kurosawa on 2023-04-19
With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.
– Scott Cheney, Manager of Information Security, Sierra View Medical Center