vulnerability
Red Hat: CVE-2025-55248: dotnet: .NET Information Disclosure Vulnerability (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:N/C:C/I:P/A:N) | Oct 15, 2025 | Oct 16, 2025 | Oct 21, 2025 |
Severity
9
CVSS
(AV:N/AC:L/Au:N/C:C/I:P/A:N)
Published
Oct 15, 2025
Added
Oct 16, 2025
Modified
Oct 21, 2025
Description
A flaw exists in certain .NET builds where a man-in-the-middle (MITM) attacker can prevent or downgrade TLS between a client and an SMTP server. This may cause the client to send credentials or message data over an unencrypted connection, exposing sensitive information to the attacker.
Solutions
redhat-upgrade-aspnetcore-runtime-8-0redhat-upgrade-aspnetcore-runtime-9-0redhat-upgrade-aspnetcore-runtime-dbg-8-0redhat-upgrade-aspnetcore-runtime-dbg-9-0redhat-upgrade-aspnetcore-targeting-pack-8-0redhat-upgrade-aspnetcore-targeting-pack-9-0redhat-upgrade-dotnetredhat-upgrade-dotnet-apphost-pack-8-0redhat-upgrade-dotnet-apphost-pack-8-0-debuginforedhat-upgrade-dotnet-apphost-pack-9-0redhat-upgrade-dotnet-apphost-pack-9-0-debuginforedhat-upgrade-dotnet-hostredhat-upgrade-dotnet-host-debuginforedhat-upgrade-dotnet-hostfxr-8-0redhat-upgrade-dotnet-hostfxr-8-0-debuginforedhat-upgrade-dotnet-hostfxr-9-0redhat-upgrade-dotnet-hostfxr-9-0-debuginforedhat-upgrade-dotnet-runtime-8-0redhat-upgrade-dotnet-runtime-8-0-debuginforedhat-upgrade-dotnet-runtime-9-0redhat-upgrade-dotnet-runtime-9-0-debuginforedhat-upgrade-dotnet-runtime-dbg-8-0redhat-upgrade-dotnet-runtime-dbg-9-0redhat-upgrade-dotnet-sdk-8-0redhat-upgrade-dotnet-sdk-8-0-debuginforedhat-upgrade-dotnet-sdk-8-0-source-built-artifactsredhat-upgrade-dotnet-sdk-9-0redhat-upgrade-dotnet-sdk-9-0-debuginforedhat-upgrade-dotnet-sdk-9-0-source-built-artifactsredhat-upgrade-dotnet-sdk-aot-9-0redhat-upgrade-dotnet-sdk-aot-9-0-debuginforedhat-upgrade-dotnet-sdk-dbg-8-0redhat-upgrade-dotnet-sdk-dbg-9-0redhat-upgrade-dotnet-targeting-pack-8-0redhat-upgrade-dotnet-targeting-pack-9-0redhat-upgrade-dotnet-templates-8-0redhat-upgrade-dotnet-templates-9-0redhat-upgrade-dotnet8-0-debuginforedhat-upgrade-dotnet8-0-debugsourceredhat-upgrade-dotnet9-0-debuginforedhat-upgrade-dotnet9-0-debugsourceredhat-upgrade-netstandard-targeting-pack-2-1
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.