CVE-2026-23948 FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2()

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdpwritelogoninfov2 allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability...

CVE-2026-23948

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdpwritelogoninfov2 allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability...

CVE-2026-23948 FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2()

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdpwritelogoninfov2 allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability...

CVE-2026-23948 FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2()

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdpwritelogoninfov2 allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability...

CVE-2026-23948

FreeRDP (Remote Desktop Protocol implementation) contains a NULL pointer dereference in rdp_write_logon_info_v2() prior to version 3.22.0. A malicious RDP server can crash the FreeRDP proxy by sending a crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. The issue is fixed in 3.22.0. Affecte...

CVE-2026-23948

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdpwritelogoninfov2 allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability...

CVE-2026-0398

PowerDNS Recursor is affected by CVE-2026-0398. The issue involves crafted DNS zones that can cause increased resource usage and crafted CNAME chains that can lead to cache poisoning in the Recursor. The available documents do not specify affected versions, exact root cause in code paths, or offi...

CVE-2026-2143

A security vulnerability has been detected in D-Link DIR-823X 250416. This issue affects some unknown processing of the file /goform/setddns of the component DDNS Service. The manipulation of the argument ddnsType/ddnsDomainName/ddnsUserName/ddnsPwd leads to os command injection. The attack is...

PT-2026-7157

PlaciPy is a placement management system designed for educational institutions. In version 1.0.0, the application derives the tenant identifier directly from the email domain provided by the user, without validating domain ownership or registration. This allows cross-tenant data access...

PlaciPy 安全漏洞

PlaciPy is an open-source employment management system developed by Praskla Technology. It aims to simplify the employment processes for students, trainers, and administrators in educational institutions. Version 1.0.0 of PlaciPy contains a security vulnerability. This vulnerability arises from t...

Sliver 资源管理错误漏洞

Sliver is an open-source, cross-platform opponent simulation/red team framework developed by Bishop Fox. It can be used by organizations of various sizes for security testing. Versions of Sliver prior to 1.7.0 contained a resource management vulnerability. This vulnerability stemmed from the DNS ...

EUVD-2026-5805

A security vulnerability has been detected in D-Link DIR-823X 250416. This issue affects some unknown processing of the file /goform/setddns of the component DDNS Service. The manipulation of the argument ddnsType/ddnsDomainName/ddnsUserName/ddnsPwd leads to os command injection. The attack is...

CVE-2026-25631

n8n is an open source workflow automation platform. Prior to 1.121.0, there is a vulnerability in the HTTP Request node's credential domain validation allowed an authenticated attacker to send requests with credentials to unintended domains, potentially leading to credential exfiltration. This on...

D-Link DIR-823X 操作系统命令注入漏洞

The D-Link DIR-823X is a wireless router produced by D-Link Corporation. The D-Link DIR-823X 250416 version has a vulnerability related to operating system command injection. This vulnerability stems from incorrect operations on the parameters ddnsType, ddnsDomainName, ddnsUserName, and ddnsPwd i...

[SECURITY] Fedora 42 Update: bind-9.18.44-1.fc42

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the handleHello process. An attacker can exhaust system memory and disrupt service availability by repeatedly sending unauthenticated DNS queries that trigger unbounded session allocation...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the handleHello process. An attacker can exhaust system memory and disrupt service availability by repeatedly sending unauthenticated DNS queries that trigger unbounded session allocation...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the handleHello process. An attacker can exhaust system memory and disrupt service availability by repeatedly sending unauthenticated DNS queries that trigger unbounded session allocation...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the handleHello process. An attacker can exhaust system memory and disrupt service availability by repeatedly sending unauthenticated DNS queries that trigger unbounded session allocation...

Sliver has DNS C2 OTP Bypass that Allows Unauthenticated Session Flooding and Denial of Service

Summary The DNS C2 listener accepts unauthenticated TOTP bootstrap messages and allocates server-side DNS sessions without validating OTP values, even when EnforceOTP is enabled. Because sessions are stored without a cleanup/expiry path in this flow, an unauthenticated remote actor can repeatedly...