Most recent entries from all

ALSA-2021:3819 — Important: .NET 5.0 security and bugfix update

2026-10-03T02:37:05.008672+00:00

Affected: AlmaLinux:8: aspnetcore-runtime-5.0, AlmaLinux:8: aspnetcore-targeting-pack-5.0, AlmaLinux:8: dotnet-apphost-pack-5.0, AlmaLinux:8: dotnet-hostfxr-5.0, AlmaLinux:8: dotnet-runtime-5.0, AlmaLinux:8: dotnet-sdk-5.0, AlmaLinux:8: dotnet-targeting-pack-5.0, AlmaLinux:8: dotnet-templates-5.0

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 5.0.208 and .NET Runtime 5.0.11.

Security Fix(es):

* dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails (CVE-2021-41355)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2023-06550

2026-10-03T02:37:05.008740+00:00

bdu:2023-06550

BIT-dotnet-2021-41355 — .NET Core and Visual Studio Information Disclosure Vulnerability

2026-10-03T02:37:05.008758+00:00

Affected: Bitnami: dotnet

.NET Core and Visual Studio Information Disclosure Vulnerability

certfr-2021-avi-783 — Une vulnérabilité a été corrigée dans Microsoft .Net. Elle permet à un attaquant de provoqu…

2026-10-03T02:37:05.008779+00:00

certfr-2021-avi-783

EUVD-2026-31679

2026-10-03T02:37:05.008795+00:00

EUVD-2026-31679

fkie_cve-2021-41355

2026-10-03T02:37:05.008806+00:00

.NET Core and Visual Studio Information Disclosure Vulnerability

GHSA-9cxh-gqpx-qc5m — Credential Disclosure in System.DirectoryServices.Protocols

2026-10-03T02:37:05.008824+00:00

Affected: NuGet: System.DirectoryServices.Protocols

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A Information Disclosure vulnerability exists in .NET where System.DirectoryServices.Protocols.LdapConnection may send credentials in plain text on Linux.

### Patches Any .NET application that uses `System.DirectoryServices.Protocols` with a vulnerable version listed below on system based on Linux.

Package name | Vulnerable versions | Secure versions ------------ | ---------------- | ------------------------- System.DirectoryServices.Protocols | 5.0.0 | 5.0.1

### Other Details

- Announcement for this issue can be found at dotnet/announcements#202 - An Issue for this can be found at https://github.com/dotnet/runtime/issues/60301 - MSRC details for this can be found at https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41355

gsd-2021-41355

2026-10-03T02:37:05.008852+00:00

gsd-2021-41355

RHSA-2021:3818 — Red Hat Security Advisory: .NET 5.0 on RHEL 7 security and bugfix update

2026-10-03T02:37:05.008863+00:00

dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails

RHSA-2021:3819 — Red Hat Security Advisory: .NET 5.0 security and bugfix update

2026-10-03T02:37:05.008880+00:00

dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails