CVE-2025-53629 | THREATINT

Description

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 to its exhaustion. This vulnerability is fixed in 0.23.0. NOTE: This vulnerability is related to CVE-2025-53628.

PUBLISHED Reserved 2025-07-07 | Published 2025-07-10 | Updated 2025-07-10 | Assigner GitHub_M

HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-770: Allocation of Resources Without Limits or Throttling

Product status

< 0.23.0

affected

References

github.com/...ttplib/security/advisories/GHSA-qjmq-h3cc-qv6w exploit

github.com/...ttplib/security/advisories/GHSA-qjmq-h3cc-qv6w

github.com/...ttplib/security/advisories/GHSA-j6p8-779x-p5pw

github.com/...ommit/17ba303889b8d4d719be3879a70639ab653efb99

cve.org (CVE-2025-53629)

nvd.nist.gov (CVE-2025-53629)

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