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CVE-2026-22776

Medium priority
Needs evaluation

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...

1 affected package

cpp-httplib

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation
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CVE-2026-21428

Medium priority
Needs evaluation

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the ``write_headers`` function does not check for CR & LF characters in user supplied headers, allowing untrusted header...

1 affected package

cpp-httplib

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation
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CVE-2025-66577

Medium priority
Needs evaluation

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 HTTP headers to influence server-visible metadata, logging, and authorization decisions....

1 affected package

cpp-httplib

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation
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CVE-2025-66570

High priority
Fixed

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 HTTP headers to influence server-visible metadata, logging, and authorization decisions....

1 affected package

cpp-httplib

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Fixed Fixed
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CVE-2025-53629

Medium priority
Needs evaluation

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.23.0, incoming requests using Transfer-Encoding: chunked in the header can allocate memory arbitrarily in the server, potentially leading...

1 affected package

cpp-httplib

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation
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CVE-2025-53628

Medium priority
Needs evaluation

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.20.1, cpp-httplib does not have a limit for a unique line, permitting an attacker to explore this to allocate memory arbitrarily. This...

1 affected package

cpp-httplib

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation
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CVE-2025-52887

Medium priority
Needs evaluation

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...

1 affected package

cpp-httplib

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation
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CVE-2025-46728

Medium priority
Needs evaluation

cpp-httplib is a C++ header-only HTTP/HTTPS server and client library. Prior to version 0.20.1, the library fails to enforce configured size limits on incoming request bodies when `Transfer-Encoding: chunked` is used or when no...

1 affected package

cpp-httplib

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation Not in release
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CVE-2025-0825

Medium priority
Needs evaluation

cpp-httplib version v0.17.3 through v0.18.3 fails to filter CRLF characters ("\r\n") when those are prefixed with a null byte. This enables attackers to exploit CRLF injection that could further lead to HTTP Response Splitting,...

1 affected package

cpp-httplib

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation Not in release
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CVE-2023-26130

Medium priority
Vulnerable

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to...

1 affected package

cpp-httplib

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Vulnerable Not in release Not in release
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