CVE-2025-0825 - CVE House
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Status published Medium CVE-2025-0825

CRLF injection in Cpp-httplib

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ori Ron from Cx Security Research Group

References

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Affected Vendor

Affected Software

Unknown
Vulnerable Versions:
v0.17.3

Timeline

Official Publish: February 4th, 2025
Last Modified: May 23rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-113

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.