undertow-core: OOM via missing limits in chunked trailer in EAP's Undertow

A flaw was found in EAP's undertow http/1.1 chunked-transfer decoder. missing limits on size and count would allow an attacker to use an unauthenticated connection to drive the JVM to an OutOfMemory error, stopping all deployments on the listener, and achieving Denial of Service...

netty: io.netty/netty-codec-http: Netty: HTTP Request Smuggling due to improper handling of conflicting HTTP/1.0 headers

A flaw was found in Netty's HttpObjectDecoder. A remote attacker can exploit this by sending a specially crafted HTTP/1.0 request that includes both Transfer-Encoding: chunked and Content-Length headers. While Netty correctly strips the conflicting Content-Length header for HTTP/1.1 messages, thi...

netty: Netty: HTTP request smuggling via URI manipulation and CRLF injection

A flaw was found in Netty. A remote attacker can bypass request-line validation by manipulating the URI after a DefaultHttpRequest or DefaultFullHttpRequest is created. This vulnerability, a form of Carriage Return Line Feed CRLF injection, allows for the insertion of additional HTTP or RTSP...

netty: io.netty/netty-codec-http: Netty: Request smuggling via malformed Transfer-Encoding parsing

A flaw was found in Netty. This vulnerability allows a remote attacker to perform request smuggling attacks due to incorrect parsing of malformed Transfer-Encoding headers. By exploiting this flaw, an attacker can bypass security controls and potentially access sensitive information or manipulate...

CVE-2026-62899

Inconsistent interpretation of http requests 'http request/response smuggling' in .NET allows an unauthorized attacker to bypass a security feature over a network...

CVE-2026-62750

Partial string comparison in Windows HTTP Protocol Stack allows an unauthorized attacker to perform tampering over an adjacent network...

CVE-2026-20349

A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of servic...

CVE-2026-20349 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability

A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of servic...

EUVD-2026-56643

A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of servic...

CVE-2026-20349

The CVE-2026-20349 issue affects Cisco Secure Firewall ASA/FTD Remote Access SSL VPN, caused by insufficient error checking when processing HTTP requests. An unauthenticated, remote attacker can send a crafted HTTP request to the VPN service and cause the device to reload, triggering a denial-of-...

CVE-2026-20349 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability

A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of servic...

CVE-2026-62899

Inconsistent interpretation of http requests 'http request/response smuggling' in .NET allows an unauthorized attacker to bypass a security feature over a network...

EUVD-2026-56407

Inconsistent interpretation of http requests 'http request/response smuggling' in .NET allows an unauthorized attacker to bypass a security feature over a network...

CVE-2026-62750 Windows HTTP Protocol Stack Tampering Vulnerability

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CVE-2026-62750

CVE-2026-62750 affects Windows HTTP Protocol Stack (http.sys). A partial string comparison vulnerability in the stack enables an unauthenticated attacker on an adjacent network to perform tampering. The CVSS vector (AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N) indicates adjacent access with no privileges...

EUVD-2026-56372

Partial string comparison in Windows HTTP Protocol Stack allows an unauthorized attacker to perform tampering over an adjacent network...

CVE-2026-62750 Windows HTTP Protocol Stack Tampering Vulnerability

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netty: Netty: HTTP request smuggling via URI manipulation and CRLF injection

A flaw was found in Netty. A remote attacker can bypass request-line validation by manipulating the URI after a DefaultHttpRequest or DefaultFullHttpRequest is created. This vulnerability, a form of Carriage Return Line Feed CRLF injection, allows for the insertion of additional HTTP or RTSP...

netty: io.netty/netty-codec-http: Netty: HTTP Request Smuggling due to improper handling of conflicting HTTP/1.0 headers

A flaw was found in Netty's HttpObjectDecoder. A remote attacker can exploit this by sending a specially crafted HTTP/1.0 request that includes both Transfer-Encoding: chunked and Content-Length headers. While Netty correctly strips the conflicting Content-Length header for HTTP/1.1 messages, thi...

netty: io.netty/netty-codec-http: Netty: Incorrect HTTP response parsing leads to data confusion

A flaw was found in Netty, an asynchronous, event-driven network application framework. A remote attacker could exploit this vulnerability by sending a specific sequence of HTTP responses 103, followed by a 200 with a GET body, then another 200 for a HEAD request when the client pipelines GET the...