CVE-2026-22776

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

CVE-2026-22776

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification via the unsafe handling of compressed HTTP request bodies when decompressing data. An attacker can exhaust system memory by sending specially crafted compressed payloads tha...

CVE-2026-22776

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

CVE-2026-22776

CVE-2026-22776 affects cpp-httplib prior to 0.30.1. The DoS arises from unsafe handling of compressed HTTP request bodies (Content-Encoding: gzip, br, etc.); the implementation validates payload_max_length against the compressed data size but does not cap the decompressed data in memory. This can...

EUVD-2026-2006

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

CVE-2026-22776 cpp-httplib vulnerable to a denial of service (DOS) using a zip bomb

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

cpp-httplib 安全漏洞

cpp-httplib is an HTTP/HTTPS server and client library written in C++ by the individual developer yhirose. A security vulnerability exists in cpp-httplib versions prior to 0.30.1, which stems from insecure handling of compressed HTTP request bodies and could lead to a denial-of-service attack...

PT-2026-2292

Name of the Vulnerable Software and Affected Versions cpp-httplib versions prior to 0.30.1 Description A potential denial of service DoS condition exists in cpp-httplib due to the way it handles compressed HTTP request bodies, specifically those using gzip or br compression. The library checks th...

Linux Distros Unpatched Vulnerability : CVE-2026-22776

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in...

Security update for cpp-httplib (important)

openSUSE Security Update: Security update for cpp-httplib Announcement ID: openSUSE-SU-2026:0007-1 Rating: important References: 1245414 1246468 1246471 Cross-References: CVE-2025-52887 CVE-2025-53628 CVE-2025-53629 CVSS scores: CVE-2025-52887 SUSE: 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:...

CVE-2026-21428

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

CVE-2026-21428

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

CVE-2026-21428 cpp-httplib has CRLF injection in http headers

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

PT-2026-1013

Name of the Vulnerable Software and Affected Versions cpp-httplib versions prior to 0.30.0 Description The write headers function in cpp-httplib does not properly validate user-supplied headers, specifically failing to check for carriage return CR and line feed LF characters. This allows attacker...

cpp-httplib 注入漏洞

cpp-httplib is an HTTP/HTTPS server and client library written in C++ by the individual developer yhirose. An injection vulnerability exists in versions prior to cpp-httplib 0.30.0, which stems from a failure to check for CR and LF characters in user-supplied headers, which could lead to the...

Linux Distros Unpatched Vulnerability : CVE-2026-21428

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF...

OESA-2025-2858 cpp-httplib security update

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include httplib.h file in your code! Security Fixes: cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, a vulnerability allows attacker-controlled...

OESA-2025-2856 cpp-httplib security update

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include httplib.h file in your code! Security Fixes: cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, a vulnerability allows attacker-controlled...

OESA-2025-2855 cpp-httplib security update

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include httplib.h file in your code! Security Fixes: cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, a vulnerability allows attacker-controlled...