CVE-2026-12606

CVE-2026-12606 affects Eclipse Grizzly prior to 5.0.2. The issue is in parsing the trailer section of malformed trailer headers, which can be exploited to perform HTTP request smuggling. Affected component: Grizzly HTTP parsing logic. Root cause: improper handling of trailer headers in malformed ...

PT-2026-57984

Name of the Vulnerable Software and Affected Versions Eclipse Grizzly versions prior to 5.0.2 Description An issue exists where the software cannot properly parse the trailer section in a malformed trailer header line. This flaw can be leveraged to perform HTTP request smuggling, a technique used...

CVE-2026-40891

OpenTelemetry dotnet is a dotnet telemetry framework. From 1.13.1 to before 1.15.2, When exporting telemetry over gRPC using the OpenTelemetry Protocol OTLP, the exporter may parse a server-provided grpc-status-details-bin trailer during retry handling. Prior to the fix, a malformed trailer could...

CVE-2026-40891 OpenTelemetry dotnet: Unbounded `grpc-status-details-bin` parsing in OTLP/gRPC retry handling

OpenTelemetry dotnet is a dotnet telemetry framework. From 1.13.1 to before 1.15.2, When exporting telemetry over gRPC using the OpenTelemetry Protocol OTLP, the exporter may parse a server-provided grpc-status-details-bin trailer during retry handling. Prior to the fix, a malformed trailer could...

tomcat security update

1:9.0.62-37.el93.2 - Resolves: 2252050 HTTP request smuggling via malformed trailer headers CVE-2023-46589...

tomcat: HTTP request smuggling via malformed trailer headers

An improper Input validation flaw was found in Apache Tomcat due to incorrect parsing of HTTP trailer headers. A trailer header that exceeded the header size limit could cause Tomcat to treat a single request as multiple requests, leading to the possibility of request smuggling when behind a...

tomcat security update

1:9.0.62-27.3 - tomcat: HTTP request smuggling via malformed trailer headers CVE-2023-46589...

ALSA-2024:0539 Important: tomcat security update

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages JSP technologies. Security Fixes: tomcat: HTTP request smuggling via malformed trailer headers CVE-2023-46589 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...