Amazon Linux 2023 : libsoup3, libsoup3-devel (ALAS2023-2026-3240)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-3240 advisory. A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the...

Medium: libsoup3

Issue Overview: A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection...

Astra Linux – Vulnerability in libsoup2.4

A flaw was discovered in libsoup’s SoupServer HTTP Range header processing. The sortranges comparator in soup-message-headers.c truncates a 64-bit subtraction result to a 32-bit integer, flipping the sign for range offsets that differ by more than INTMAX. This results in the silently omission of...

Important: libsoup

Issue Overview: A flaw was found in libsoup. When handling an incoming WebSocket Pong frame, SoupWebsocketConnection emitted the ::pong signal with a GByteArray pointer even though the signal is declared to pass a GBytes. Applications connecting a handler that follows the documented GBytes API ca...

Important: libsoup

Issue Overview: A flaw was found in libsoup. When reassembling fragmented WebSocket messages into a GByteArray, libsoup did not adequately cap total message size against the limits of the underlying buffer type. A remote peer could send fragments that caused size truncation while the implementati...

Amazon Linux 2023 : libsoup, libsoup-devel (ALAS2023-2026-3212)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-3212 advisory. A flaw was found in libsoup. When handling an incoming WebSocket Pong frame, SoupWebsocketConnection emitted the ::pong signal with a GByteArray pointer even though the signal is declared to...

Amazon Linux 2 : libsoup (ALAS-2026-3998)

The version of libsoup installed on the remote host is prior to 2.56.0-6. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3998 advisory. A flaw was found in libsoup. When reassembling fragmented WebSocket messages into a GByteArray, libsoup did not adequatel...

SUSE CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

AlmaLinux 9.2 [TuxCare] Security Update: libsoup / libsoup-devel / libsoup-doc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1776854729)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1776854729 advisory. - A flaw was found in libsoup, an HTTP client/server library. This HTTP Request Smuggling vulnerability arises from non-RFC-complian...

AZL-105543 CVE-2026-103399 affecting package libsoup 3.4.4-16

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

DEBIAN-CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

UBUNTU-CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399 Libsoup: soupserver: http/1 request smuggling via undrained expect: 100-continue body

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399

A vulnerability exists in SoupServer (libsoup) where an HTTP/1.x client sending a request with Expect: 100-continue and a request body can trigger request smuggling . If the server returns an early final (non-1xx) response before reading the body, it fails to drain the bytes or close the connecti...

EUVD-2026-90226

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399 Libsoup: soupserver: http/1 request smuggling via undrained expect: 100-continue body

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...