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ALSA-2025:8126 — Important: libsoup security update

Affected: AlmaLinux:9: libsoup, AlmaLinux:9: libsoup-devel

The libsoup packages provide an HTTP client and server library for GNOME.

Security Fix(es):

* libsoup: Heap buffer over-read in `skip_insignificant_space` when sniffing content (CVE-2025-2784) * libsoup: Denial of Service attack to websocket server (CVE-2025-32049) * libsoup: OOB Read on libsoup through function "soup_multipart_new_from_message" in soup-multipart.c leads to crash or exit of process (CVE-2025-32914) * libsoup: Integer Underflow in soup_multipart_new_from_message() Leading to Denial of Service in libsoup (CVE-2025-4948)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2025-07139

certfr-2025-avi-0938 — De multiples vulnérabilités ont été découvertes dans les produits VMware. Elles permettent à un attaquant de provoquer…

certfr-2025-avi-0938

EUVD-2026-331249

fkie_cve-2025-32049

A flaw was found in libsoup. The SoupWebsocketConnection may accept a large WebSocket message, which may cause libsoup to allocate memory and lead to a denial of service (DoS).

GHSA-fqvp-p5gx-qqhg

A flaw was found in libsoup. The SoupWebsocketConnection may accept a large WebSocket message, which may cause libsoup to allocate memory and lead to a denial of service (DoS).

msrc_CVE-2025-32049 — Libsoup: denial of service attack to websocket server

msrc_CVE-2025-32049

OESA-2026-2617 — libsoup security update

Affected: openEuler:24.03-LTS-SP1: libsoup

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fix(es):

A flaw was found in libsoup. The SoupWebsocketConnection may accept a large WebSocket message, which may cause libsoup to allocate memory and lead to a denial of service (DoS).(CVE-2025-32049)

A flaw was found in libsoup. A remote attacker could exploit an unsigned to signed conversion error in the `soup_body_input_stream_read_chunked()` function by sending a malicious HTTP request. This vulnerability occurs when libsoup operates behind a non-libsoup proxy server or as a proxy in front of a non-libsoup backend server. Successful exploitation can allow an attacker to bypass security controls, poison web caches, or gain unauthorized access.(CVE-2026-6324)

openSUSE-SU-2026:10208-1 — libsoup-3_0-0-3.6.5-13.1 on GA media

libsoup-3_0-0-3.6.5-13.1 on GA media

RHSA-2025:21657 — Red Hat Security Advisory: libsoup security update

libsoup: Heap buffer over-read in `skip_insignificant_space` when sniffing content libsoup: Integer Overflow in Cookie Expiration Date Handling in libsoup libsoup: Integer Underflow in soup_multipart_new_from_message() Leading to Denial of Service in libsoup libsoup: Out-of-Bounds Read in Cookie Date Handling of libsoup HTTP Library libsoup: Denial of Service attack to websocket server libsoup: Out of bounds reads in soup_headers_parse_request() libsoup: Double free on soup_message_headers_get_content_disposition() through "soup-message-headers.c" via "params" GHashTable value libsoup: NULL pointer dereference in soup_message_headers_get_content_disposition when "filename" parameter is present, but has no value in Content-Disposition header libsoup: OOB Read on libsoup through function "soup_multipart_new_from_message" in soup-multipart.c leads to crash or exit of process

SUSE-SU-2026:0658-1 — Security update for libsoup

Security update for libsoup

UBUNTU-CVE-2025-32049

Affected: Ubuntu:Pro:16.04:LTS: libsoup2.4, Ubuntu:Pro:18.04:LTS: libsoup2.4, Ubuntu:Pro:20.04:LTS: libsoup2.4, Ubuntu:22.04:LTS: libsoup2.4, Ubuntu:Pro:22.04:LTS: libsoup3, Ubuntu:24.04:LTS: libsoup2.4, Ubuntu:24.04:LTS: libsoup3, Ubuntu:25.10: libsoup2.4, Ubuntu:25.10: libsoup3, Ubuntu:26.04:LTS: libsoup3 and 1 more

A flaw was found in libsoup. The SoupWebsocketConnection may accept a large WebSocket message, which may cause libsoup to allocate memory and lead to a denial of service (DoS).

WID-SEC-W-2025-1140 — Red Hat Enterprise Linux (libsoup): Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um einen Denial of Service Angriff oder weitere nicht spezifizierte Angriffe durchzuführen.