CVE-2025-1867

10.0 criticalEPSS 0.4%

Critical (10.0). EPSS 0.4% chance of exploitation in the next 30 days.

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in ithewei libhv allows HTTP Response Smuggling.This issue affects libhv: through 1.3.3.

Severity

CVSS 4.0

10.0 critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
CWE: CWE-444
Published: 2025-03-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/ithewei/libhv/pull/689

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