Improper Handling Of HTTP Headers

on-headers is vulnerable to Improper Handling of HTTP Headers. The vulnerability is due to unexpected header modification caused by incorrect processing when an array is passed to response.writeHead, potentially altering response headers unintentionally...

Ubuntu 16.04 LTS / 18.04 LTS : PHP vulnerabilities (USN-7645-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7645-1 advisory. It was discovered that PHP incorrectly parsed certain HTTP response headers. An attacker could possibly use this issue to cause incorrect MIM...

USN-7645-1: PHP vulnerabilities

It was discovered that PHP incorrectly parsed certain HTTP response headers. An attacker could possibly use this issue to cause incorrect MIME type parsing which could result in unexpected behavior. CVE-2025-1217 It was discovered that PHP did not properly validate certain HTTP headers. An attack...

CVE-2025-53641

Postiz is an AI social media scheduling tool. From 1.45.1 to 1.62.3, the Postiz frontend application allows an attacker to inject arbitrary HTTP headers into the middleware pipeline. This flaw enables a server-side request forgery SSRF condition, which can be exploited to initiate unauthorized...

CVE-2025-53641: Server-Side Request Forgery (SSRF)

Postiz is an AI social media scheduling tool. From 1.45.1 to 1.62.3, the Postiz frontend application allows an attacker to inject arbitrary HTTP headers into the middleware pipeline. This flaw enables a server-side request forgery SSRF condition, which can be exploited to initiate unauthorized...

ROS-20250707-03

A vulnerability in the Portainer container management platform is related to the transmission of HTTP headers to the registry. Exploitation of the vulnerability could allow an attacker acting remotely to gain access to sensitive information...

CVE-2025-53094

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 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...

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...

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: Improper Neutralization of CRLF Sequences

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...