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MEDIUM · 5.3

CVE-2025-0825

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 ...

Vulnerability 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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
YhiroseCpp-Httplib>= 0.17.3, < 0.18.4

Related Weaknesses (CWE)

CWE-113

References

FAQ

What is CVE-2025-0825?

CVE-2025-0825 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...

How severe is CVE-2025-0825?

CVE-2025-0825 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-0825?

Check the references section above for vendor advisories and patch information. Affected products include: Yhirose Cpp-Httplib.