RHSA-2025:21657 — Security Advisory
Red Hat Security Advisory: libsoup security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · November 18, 2025
Updated · November 1, 2026
Topic
An update for libsoup is now available for Red Hat Enterprise Linux 7 Extended Lifecycle 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 available for each vulnerability from the CVE link(s) in the References section.
Description
The libsoup packages provide an HTTP client and server library for GNOME.
Security Fix(es):
-
libsoup: Heap buffer over-read in
skip_insignificant_spacewhen sniffing content (CVE-2025-2784) -
libsoup: Denial of Service attack to websocket server (CVE-2025-32049)
-
libsoup: Out of bounds reads in soup_headers_parse_request() (CVE-2025-32906)
-
libsoup: Double free on soup_message_headers_get_content_disposition() through "soup-message-headers.c" via "params" GHashTable value (CVE-2025-32911)
-
libsoup: NULL pointer dereference in soup_message_headers_get_content_disposition when "filename" parameter is present, but has no value in Content-Disposition header (CVE-2025-32913)
-
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 Overflow in Cookie Expiration Date Handling in libsoup (CVE-2025-4945)
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libsoup: Integer Underflow in soup_multipart_new_from_message() Leading to Denial of Service in libsoup (CVE-2025-4948)
-
libsoup: Out-of-Bounds Read in Cookie Date Handling of libsoup HTTP Library (CVE-2025-11021)
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.