Inconsistent interpretation of HTTP requests in libhv - CVE-2025-1867
Published: November 25, 2025
Vulnerability identifier: #VU118763
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-1867
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.
The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.
Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.
Affected software
libhv
openEuler
libhv
libhv-debuginfo
libhv-debugsource
libhv-devel
openEuler
libhv
libhv-debuginfo
libhv-debugsource
libhv-devel
How to mitigate CVE-2025-1867
Install updates from vendor's website.
libhv - update to 1.3.4
libhv - update to 1.3.2-2
libhv-debuginfo - update to 1.3.2-2
libhv-debugsource - update to 1.3.2-2
libhv-devel - update to 1.3.2-2
libhv - update to 1.3.2-2
libhv-debuginfo - update to 1.3.2-2
libhv-debugsource - update to 1.3.2-2
libhv-devel - update to 1.3.2-2