RHSA-2025:4508 — Security Advisory

An update for libsoup is now available for Red Hat Enterprise Linux 9.2 Extended 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 available for each vulnerability from the CVE link(s) in the References section.

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

Security Fix(es):

• libsoup: Integer overflow in append_param_quoted (CVE-2025-32050)

• libsoup: Heap buffer overflow in sniff_unknown() (CVE-2025-32052)

• libsoup: Heap buffer overflows in sniff_feed_or_html() and skip_insignificant_space() (CVE-2025-32053)

• libsoup: Out of bounds reads in soup_headers_parse_request() (CVE-2025-32906)

• libsoup: Denial of service in server when client requests a large amount of overlapping ranges with Range header (CVE-2025-32907)

• 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: Information disclosure may leads libsoup client sends Authorization header to a different host when being redirected by a server (CVE-2025-46421)

• libsoup: Memory leak on soup_header_parse_quality_list() via soup-headers.c (CVE-2025-46420)

• libsoup: Integer overflow in append_param_quoted (CVE-2025-32050)

• libsoup: Heap buffer overflow in sniff_unknown() (CVE-2025-32052)

• libsoup: Heap buffer overflows in sniff_feed_or_html() and skip_insignificant_space() (CVE-2025-32053)

• libsoup: Out of bounds reads in soup_headers_parse_request() (CVE-2025-32906)

• libsoup: Denial of service in server when client requests a large amount of overlapping ranges with Range header (CVE-2025-32907)

• 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: Memory leak on soup_header_parse_quality_list() via soup-headers.c (CVE-2025-46420)

• libsoup: Information disclosure may leads libsoup client sends Authorization header to a different host when being redirected by a server (CVE-2025-46421)

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