cpp-httplib: cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library
CVE-2025-53628 is fixed in cpp-httplib on 1 platform, first by DEBIAN-CVE-2025-53628, released July 10, 2025. It is not reported as exploited. Patch Radar priority: High.
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 vulnerability is fixed in 0.20.1. NOTE: This vulnerability is related to CVE-2025-53629.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cpp-httplib · Debian 14 | 0.25.0+ds-3 | DEBIAN-CVE-2025-53628 | Jul 10, 2025 |
| cpp-httplib · opensuse-leap 16.0 | 0.22.0-160000.4.1 | OPENSUSE-SU-2026:20295-1 | Mar 2, 2026 |
| cpp-httplib · sles 16.0 | 0.22.0-160000.4.1 | SUSE-SU-2026:20600-1 | Mar 2, 2026 |
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