CVE-2025-53094 ESPAsyncWebServer Vulnerable to CRLF Injection in AsyncWebHeader.cpp

ESPAsyncWebServer is an asynchronous HTTP and WebSocket server library for ESP32, ESP8266, RP2040 and RP2350. In versions up to and including 3.7.8, a CRLF Carriage Return Line Feed injection vulnerability exists in the construction and output of HTTP headers within AsyncWebHeader.cpp. Unsanitize...

CVE-2025-53094

ESPAsyncWebServer (ESP32/ESP8266/RP2040/ RP2350) up to version 3.7.8 contains a CRLF injection vulnerability in AsyncWebHeader.cpp that can corrupt header names/values and potentially manipulate HTTP responses. Root cause: unsanitized CRLF input during header construction/output. Impact: header/r...

CVE-2025-53094 ESPAsyncWebServer Vulnerable to CRLF Injection in AsyncWebHeader.cpp

ESPAsyncWebServer is an asynchronous HTTP and WebSocket server library for ESP32, ESP8266, RP2040 and RP2350. In versions up to and including 3.7.8, a CRLF Carriage Return Line Feed injection vulnerability exists in the construction and output of HTTP headers within AsyncWebHeader.cpp. Unsanitize...

CVE-2025-53094 ESPAsyncWebServer Vulnerable to CRLF Injection in AsyncWebHeader.cpp

ESPAsyncWebServer is an asynchronous HTTP and WebSocket server library for ESP32, ESP8266, RP2040 and RP2350. In versions up to and including 3.7.8, a CRLF Carriage Return Line Feed injection vulnerability exists in the construction and output of HTTP headers within AsyncWebHeader.cpp. Unsanitize...

PT-2025-27254 · Unknown · Espasyncwebserver

Name of the Vulnerable Software and Affected Versions: ESPAsyncWebServer versions up to and including 3.7.8 Description: A CRLF injection vulnerability exists in the construction and output of HTTP headers within AsyncWebHeader.cpp. Unsanitized input allows attackers to inject CR r or LF characte...

Ruby WEBrick read_headers method can lead to HTTP Request/Response Smuggling

Ruby WEBrick readheader HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The...

CVE-2025-52887

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. In version 0.21.0, when many http headers fields are passed in, the library does not limit the number of headers, and the memory associated with the headers will not be released when the connection is disconnected...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS via the process handling HTTP header fields. An attacker can cause excessive memory consumption and potentially crash or render the server unresponsive by sending a large number of HTTP headers. Details Denial of...

CVE-2025-52887

cpp-httplib (C++11 single-file header-only library) is affected by CVE-2025-52887 in version 0.21.0 where there is no limit on the number of HTTP header fields and header memory is not released on disconnect, potentially exhausting system memory and causing server crash or unresponsiveness. Remed...

CVE-2025-52887 cpp-httplib has unlimited number of http header fields, which causes memory leak

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. In version 0.21.0, when many http headers fields are passed in, the library does not limit the number of headers, and the memory associated with the headers will not be released when the connection is disconnected...

CVE-2025-52887 cpp-httplib has unlimited number of http header fields, which causes memory leak

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. In version 0.21.0, when many http headers fields are passed in, the library does not limit the number of headers, and the memory associated with the headers will not be released when the connection is disconnected...

Updated yarnpkg packages fix security vulnerabilities

CVE-2024-37890 yarnpkg: denial of service when handling a request with many HTTP headers. CVE-2024-48949 yarnpkg: Missing Validation in Elliptic's EDDSA Signature Verification. CVE-2024-12905 yarnpkg: link following and path traversal via maliciously crafted tar file And other vulnerabilities in...

PT-2025-26976

Name of the Vulnerable Software and Affected Versions: cpp-httplib version 0.21.0 Description: The issue arises when multiple HTTP header fields are passed to the library, causing it to fail to limit the number of headers. As a result, the memory associated with these headers is not released when...

CVE-2025-49593 Portainer HTTP Headers May Leak to Malicious Container Registries

Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. Prior to STS version 2.31.0 and LTS version 2.27.7, if a Portainer administrator can be convinced to register a maliciou...

CVE-2025-49593 Portainer HTTP Headers May Leak to Malicious Container Registries

Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. Prior to STS version 2.31.0 and LTS version 2.27.7, if a Portainer administrator can be convinced to register a maliciou...

CVE-2025-49593

CVE-2025-49593 affects Portainer Community Edition prior to STS 2.31.0 and LTS 2.27.7. When an administrator is convinced to register a malicious container registry (or an existing registry is taken over), HTTP Headers including registry credentials and Portainer session tokens may be leaked to t...

CVE-2025-49593 Portainer HTTP Headers May Leak to Malicious Container Registries

Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. Prior to STS version 2.31.0 and LTS version 2.27.7, if a Portainer administrator can be convinced to register a maliciou...

USN-7568-1: Requests vulnerabilities

Dennis Brinkrolf and Tobias Funke discovered that Requests did not correctly handle certain HTTP headers. A remote attacker could possibly use this issue to leak sensitive information. This issue only affected Ubuntu 14.04 LTS. CVE-2023-32681 Juho Forsén discovered that Requests did not correctly...

OESA-2025-1632 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A denial-of-service vulnerability has been identified in the libsoup HTTP clien...

USN-7562-1: Tomcat vulnerabilities

It was discovered that Tomcat did not include the secure attribute for session cookies when using the RemoteIpFilter with requests from a reverse proxy. An attacker could possibly use this issue to leak sensitive information. This issue was fixed for tomcat8 on Ubuntu 18.04 LTS and for tomcat9 on...