PT-2025-1209

CVE-2025-21176

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Published

2025-01-14

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Updated

2026-09-18

Description by

CVSS 2.0
10
High
MetricsAV:N/AC:L/Au:N/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions .NET versions prior to the version with Diasymreader.dll 14.8.9294.0 .NET Framework versions prior to the version with Mscorlib.dll 4.8.4775.0 Visual Studio versions prior to the version with updated Diasymreader.dll and Mscorlib.dll
Description The issue allows remote attackers to execute arbitrary code and affect the system. It is related to a buffer overflow in memory, where exploitation can allow a remote attacker to execute arbitrary code. The vulnerability is associated with the .NET Framework, .NET, and Microsoft Visual Studio.
Recommendations .NET versions prior to the version with Diasymreader.dll 14.8.9294.0: Update to a version with Diasymreader.dll 14.8.9294.0 or later. .NET Framework versions prior to the version with Mscorlib.dll 4.8.4775.0: Update to a version with Mscorlib.dll 4.8.4775.0 or later. Visual Studio versions prior to the version with updated Diasymreader.dll and Mscorlib.dll: Update to a version with the latest security patches, including updated Diasymreader.dll and Mscorlib.dll.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
Related identifiers
GHSA-GJF6-3W4P-7XFH
ALSA-2025:0381
ALSA-2025:0382
ALT-PU-2025-13074
ALT-PU-2025-13075
ALT-PU-2025-5283
BIT-DOTNET-2025-21176
BIT-DOTNET-2025-36855
BIT-DOTNET-SDK-2025-21176
BIT-DOTNET-SDK-2025-36855
CESA-2025_0381
CESA-2025_0382
INFBA-2025_0304
INFBA-2025_0305
INFSA-2025_0381
INFSA-2025_0382
RHSA-2025:0381
RHSA-2025_0381
RHSA-2025:0382
RHSA-2025_0382
RHSA-2025:0532
RLSA-2025:0381
RLSA-2025:0382
USN-7210-1
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