CVE-2026-71554

h2 is a pure-Python implementation of a HTTP/2 protocol stack. Versions up to and including 4.4.0 accept request header blocks containing more than one Host header, and forward every Host header to the consuming application. Where the consumer downgrades HTTP/2 to HTTP/1.1, the resulting request...

EulerOS 2.0 SP12 : libsoup (EulerOS-SA-2026-1371)

According to the versions of the libsoup packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw in libsoup's HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing...

EulerOS 2.0 SP13 : libsoup (EulerOS-SA-2026-1285)

According to the versions of the libsoup packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw in libsoup's HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing...

EulerOS 2.0 SP13 : libsoup (EulerOS-SA-2026-1249)

According to the versions of the libsoup packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw in libsoup's HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing...

Security Bulletin: TSSC/IMC addresses multiple security vulnerabilities.

Summary TSSC/IMC addresses multiple security vulnerabilities, listed in the CVEs below. Vulnerability Details CVEID:CVE-2025-14523 DESCRIPTION: A flaw in libsoup’s HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing. Common...

Amazon Linux 2 : libsoup, --advisory ALAS2-2026-3142 (ALAS-2026-3142)

The version of libsoup installed on the remote host is prior to 2.56.0-6. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3142 advisory. A flaw in libsoup's HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-sid...