CVE-2026-96233
dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 14, 2026
Updated · October 30, 2026
Description
Out-of-bounds write in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Statement
This vulnerability is rated as Important severity because an unauthenticated remote attacker can crash .NET applications and ASP.NET Core services by supplying malformed date strings, resulting in process termination and a complete denial of service. The flaw is exposed in applications that accept and parse user-controlled date or time values supporting Hebrew calendar formatting. While the flaw can be triggered remotely without privileges, it cannot be leveraged for arbitrary code execution or data disclosure.
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-125 · Out-of-bounds Read