CVE-2025-53628 – cpp-httplib Unbounded Line Memory Allocation Buffer Overflow

The following table lists the changes that have been made to the
CVE-2025-53628 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • CVE Modified
    by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 10, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-j6p8-779x-p5pw
  • New CVE Received
    by [email protected]

    Jul. 10, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-770
    Added CWE CWE-835
    Added Reference https://github.com/yhirose/cpp-httplib/commit/7b752106ac42bd5b907793950d9125a0972c8e8e
    Added Reference https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-j6p8-779x-p5pw
    Added Reference https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-qjmq-h3cc-qv6w
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