CVE-2025-53628

NameCVE-2025-53628
Descriptioncpp-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 vulnerability is fixed in 0.20.1. NOTE: This vulnerability is related to CVE-2025-53629.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1109340

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
cpp-httplib (PTS)bookworm0.11.4+ds-1+deb12u1vulnerable
sid, trixie0.18.7-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cpp-httplibsource(unstable)(unfixed)1109340

Notes

https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-j6p8-779x-p5pw
https://github.com/yhirose/cpp-httplib/commit/7b752106ac42bd5b907793950d9125a0972c8e8e (v0.20.1)

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