Important: Red Hat Security Advisory: spice-client-win security update

An update for spice-client-win is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy (First- vs Last-Value Wins)

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 front proxies often honor the first Host: header, so this mismatch can cause vhost confusion where a proxy routes a request to one backend but the...

Important: Red Hat Security Advisory: spice-client-win security update

An update for spice-client-win is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this...

libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy (First- vs Last-Value Wins)

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 front proxies often honor the first Host: header, so this mismatch can cause vhost confusion where a proxy routes a request to one backend but the...

Important: Red Hat Security Advisory: spice-client-win security update

An update for spice-client-win is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

Important: Red Hat Security Advisory: spice-client-win security update

An update for spice-client-win is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy (First- vs Last-Value Wins)

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 front proxies often honor the first Host: header, so this mismatch can cause vhost confusion where a proxy routes a request to one backend but the...

RHEL 8 : spice-client-win (RHSA-2026:1570)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:1570 advisory. Spice client MSI installers for Windows clients Security Fixes: libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy Firs...

RHEL 8 : spice-client-win (RHSA-2026:1572)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:1572 advisory. Spice client MSI installers for Windows clients Security Fixes: libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy Firs...

libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy (First- vs Last-Value Wins)

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 front proxies often honor the first Host: header, so this mismatch can cause vhost confusion where a proxy routes a request to one backend but the...

Important: Red Hat Security Advisory: spice-client-win security update

An update for spice-client-win is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabili...

CVE-2026-1536

A flaw was found in libsoup. An attacker who can control the input for the Content-Disposition header can inject CRLF Carriage Return Line Feed sequences into the header value. These sequences are then interpreted verbatim when the HTTP request or response is constructed, allowing arbitrary HTTP...

AZL-76370 CVE-2026-1536 affecting package libsoup for versions less than 3.4.4-12

A flaw was found in libsoup. An attacker who can control the input for the Content-Disposition header can inject CRLF Carriage Return Line Feed sequences into the header value. These sequences are then interpreted verbatim when the HTTP request or response is constructed, allowing arbitrary HTTP...

CVE-2026-1539

A flaw was found in the libsoup HTTP library that can cause proxy authentication credentials to be sent to unintended destinations. When handling HTTP redirects, libsoup removes the Authorization header but does not remove the Proxy-Authorization header if the request is redirected to a different...

AZL-76395 CVE-2026-1536 affecting package libsoup for versions less than 3.0.4-12

A flaw was found in libsoup. An attacker who can control the input for the Content-Disposition header can inject CRLF Carriage Return Line Feed sequences into the header value. These sequences are then interpreted verbatim when the HTTP request or response is constructed, allowing arbitrary HTTP...

CVE-2026-1536

A flaw was found in libsoup. An attacker who can control the input for the Content-Disposition header can inject CRLF Carriage Return Line Feed sequences into the header value. These sequences are then interpreted verbatim when the HTTP request or response is constructed, allowing arbitrary HTTP...

UBUNTU-CVE-2026-1539

A flaw was found in the libsoup HTTP library that can cause proxy authentication credentials to be sent to unintended destinations. When handling HTTP redirects, libsoup removes the Authorization header but does not remove the Proxy-Authorization header if the request is redirected to a different...

CVE-2026-1539

A flaw was found in the libsoup HTTP library that can cause proxy authentication credentials to be sent to unintended destinations. When handling HTTP redirects, libsoup removes the Authorization header but does not remove the Proxy-Authorization header if the request is redirected to a different...

UBUNTU-CVE-2026-1536

A flaw was found in libsoup. An attacker who can control the input for the Content-Disposition header can inject CRLF Carriage Return Line Feed sequences into the header value. These sequences are then interpreted verbatim when the HTTP request or response is constructed, allowing arbitrary HTTP...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the soupsessionredirectmessage function. Sensitive proxy credentials can be leaked due to improper handling of authorization headers during HTTP redirect processing. Remediation A fix...