CVE-2025-53628
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductYhirose Cpp-httplib
PublishedJul 10, 2025
First seenJul 10, 2025
How to fix
Update
- yhirose cpp-httplib0.20.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| yhirose cpp-httplib | v < 0.20.1 | 0.20.1 |
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