PT-2026-23046

Name of the Vulnerable Software and Affected Versions cpp-httplib versions prior to 0.35.0 Description cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Before version 0.35.0, the library does not enforce the payload size limit configured via Server::set payload ma...

OPENSUSE-SU-2026:20295-1 Security update for cpp-httplib

This update for cpp-httplib fixes the following issues: - CVE-2025-53629: header can allocate memory arbitrarily in the server, potentially leading to its exhaustion bsc1246471. - CVE-2025-53628: HTTP header smuggling due to insecure trailers merge bsc1246468...

SUSE-SU-2026:20600-1 Security update for cpp-httplib

This update for cpp-httplib fixes the following issues: - CVE-2025-53629: header can allocate memory arbitrarily in the server, potentially leading to its exhaustion bsc1246471. - CVE-2025-53628: HTTP header smuggling due to insecure trailers merge bsc1246468...

[SECURITY] Fedora 42 Update: cpp-httplib-0.30.1-5.fc42

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include the httplib.h file in your code!...

[SECURITY] Fedora 43 Update: cpp-httplib-0.30.1-5.fc43

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include the httplib.h file in your code!...

SUSE: Security Advisory (SUSE-SU-2026:20090-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora 43 : cpp-httplib (2026-e50e41fcea)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-e50e41fcea advisory. Update to 0.30.1 - Denial of service DOS using zip bomb CVE-2026-22776 - CRLF injection in http headers CVE-2026-21428 - Untrusted HTTP Header...

Fedora 42 : cpp-httplib (2026-3b0e5b457d)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-3b0e5b457d advisory. Update to 0.30.1 - Denial of service DOS using zip bomb CVE-2026-22776 - CRLF injection in http headers CVE-2026-21428 - Untrusted HTTP Header...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : cpp-httplib vulnerability (USN-7962-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-7962-1 advisory. It was discovered that cpp-httplib did not correctly handle HTTP headers. A remote attacker could possibly use this issue to bypass...

Ubuntu: Security Advisory (USN-7962-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

openSUSE 16 Security Update : cpp-httplib (openSUSE-SU-2026:20056-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20056-1 advisory. - CVE-2025-66570: IP spoofing, log poisoning, and authorization bypass via header shadowing due to acceptance and parsing of client-controlled...

Security update for cpp-httplib (critical)

openSUSE security update: security update for cpp-httplib ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20056-1 Rating: critical References: bsc1254734 bsc1254735 Cross-References: CVE-2025-66570 CVE-2025-66577 CVSS scores: CVE-2025-66570 SUSE : 1...

USN-7962-1: cpp-httplib vulnerability

It was discovered that cpp-httplib did not correctly handle HTTP headers. A remote attacker could possibly use this issue to bypass authorization and impersonate users...

USN-7962-1 cpp-httplib vulnerability

It was discovered that cpp-httplib did not correctly handle HTTP headers. A remote attacker could possibly use this issue to bypass authorization and impersonate users...

SUSE 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

A flaw was found in cpp-httplib, a C++ HTTP/HTTPS library. A remote attacker can exploit this vulnerability by sending a specially crafted compressed HTTP request. While the library checks the size of the compressed data, it does not properly limit the size of the data after decompression, leadin...

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...