CVE-2025-0825
5.3
MEDIUM
CVSS 3.1
EPSS 0.17%
Description
cpp-httplib version v0.17.3 through v0.18.3 fails to filter CRLF characters ("\r\n") when those are prefixed with a null byte. This enables attackers to exploit CRLF injection that could further lead to HTTP Response Splitting, XSS, and more.
How to fix CVE-2025-0825
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/cpp-httplib—no fix listed
Is CVE-2025-0825 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |