Allocation of Resources Without Limits or Throttling Affecting cpp-httplib package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-DEBIANUNSTABLE-CPPHTTPLIB-10721564
- published12 Jul 2025
- disclosed10 Jul 2025
Introduced: 10 Jul 2025
NewCVE-2025-53629 (opens in a new tab)How to fix?
There is no fixed version for Debian:unstable cpp-httplib.
NVD Description
Note: Versions mentioned in the description apply only to the upstream cpp-httplib package and not the cpp-httplib package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2025-53629
- https://github.com/yhirose/cpp-httplib/commit/17ba303889b8d4d719be3879a70639ab653efb99
- https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-j6p8-779x-p5pw
- https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-qjmq-h3cc-qv6w