PT-2025-1153 · Microsoft+7 · .Net Framework+8

Published 2025-01-14 · Updated 2025-11-17 · CVE-2025-21171

Positive Technologies (AI Summary)

CVSS v2.0

7.6

High

Base vector

AV:N/AC:H/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft .NET (affected versions not specified) Microsoft Visual Studio (affected versions not specified)

Description The issue is related to a buffer overflow in dynamic memory, which can be exploited by a remote attacker to execute arbitrary code.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

DoS

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

ALSA-2025:0382

ALT-PU-2025-13074

ALT-PU-2025-13075

BDU:2025-00434

BIT-DOTNET-2025-21171

BIT-DOTNET-SDK-2025-21171

BIT-POWERSHELL-2025-21171

CESA-2025_0382

CVE-2025-21171

GHSA-P54P-P3QM-8VGJ

INFBA-2025_0305

INFSA-2025_0382

RHSA-2025:0382

RHSA-2025_0382

RLSA-2025:0382

USN-7210-1

Affected Products

Alt Linux

Almalinux

Centos

Linuxmint

.Net Framework

Visual Studio

Red Hat

Rocky Linux

Ubuntu

References · 38

• https://errata.almalinux.org/8/ALSA-2025-0382.html · Vendor Advisory
• https://osv.dev/vulnerability/RLSA-2025:0382 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7210-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-00434 · Security Note
• https://osv.dev/vulnerability/ALSA-2025:0382 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21172 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21171 · Security Note
• https://ubuntu.com/security/CVE-2025-21171 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-p54p-p3qm-8vgj · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-21171 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21173 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7210-1 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-dotnet-sdk-2025-21171 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2025-0382.html · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21171 · Vendor Advisory