Source: cpp-httplib
Version: 0.18.7-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerability was published for cpp-httplib.

CVE-2026-28435[0]:
| cpp-httplib is a C++11 single-file header-only cross platform
| HTTP/HTTPS library. Prior to 0.35.0, cpp-httplib (httplib.h) does
| not enforce Server::set_payload_max_length() on the decompressed
| request body when using HandlerWithContentReader (streaming
| ContentReader) with Content-Encoding: gzip (or other supported
| encodings). A small compressed payload can expand beyond the
| configured payload limit and be processed by the application,
| enabling a payload size limit bypass and potential denial of service
| (CPU/memory exhaustion). This vulnerability is fixed in 0.35.0.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-28435
    https://www.cve.org/CVERecord?id=CVE-2026-28435
[1] 
https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-xvfx-w463-6fpp
[2] 
https://github.com/yhirose/cpp-httplib/commit/c99d7472b5cf4869d3897b9afc9792063a3d15a8

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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