OPENSUSE-SU-2026:20354-1: libsoup2 security update

OPENSUSE-SU-2026:20354-1, released March 13, 2026, fixes 11 CVEs in libsoup2 (version 2.74.3-160000.4.1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.6

Base score, 0 to 10

Highest EPSS

0.0107

65th percentile

Priority of the 11 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 8

Fixed package versions

Product	Release	Fixed in
libsoup2	opensuse-leap 16.0	2.74.3-160000.4.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2025-32049	libsoup: denial of Service attack to websocket server (bsc#1240751).	7.5	0.0107	None reported
High	CVE-2026-0719	Libsoup: signed to unsigned conversion error leading to stack-based buffer overflow in libsoup ntlm authentication	8.6	0.0061	None reported
High	CVE-2025-14523	Libsoup: libsoup: duplicate host header handling causes host-parsing discrepancy (first- vs last-value wins)	8.2	0.0058	None reported
Routine	CVE-2025-4476	Libsoup: null pointer dereference in libsoup may lead to denial of service	4.3	0.0055	None reported
Routine	CVE-2026-2443	Libsoup: out-of-bounds read in libsoup handle_partial_get() leading to heap information disclosure	5.3	0.0049	None reported
Routine	CVE-2026-1760	libsoup: improper handling of HTTP requests combining certain headers by SoupServer can lead to HTTP request	n/a	0.0047	None reported
Routine	CVE-2026-2369	Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources	6.5	0.0044	None reported
Routine	CVE-2026-0716	Libsoup: out-of-bounds read in libsoup websocket frame processing	4.8	0.0038	None reported
Routine	CVE-2026-1467	libsoup: lack of input sanitization can lead to unintended or unauthorized HTTP requests (bsc#1257398).	n/a	0.0037	None reported
Routine	CVE-2026-2708	Libsoup: libsoup: http request smuggling via duplicate content-length headers	3.7	0.0032	None reported
Routine	CVE-2026-1539	libsoup: proxy authentication credentials leaked via the Proxy-Authorization header when handling HTTP redirects	n/a	0.0027	None reported

Also fixes CVE-2025-32049

RLSA-2025:8126
libsoup on rocky 9
RLSA-2025:8128
libsoup3 on rocky 10
RLSA-2025:8132
libsoup on rocky 8
ELSA-2025-8128
libsoup3, libsoup3-devel, libsoup3-doc on ol 10
ALSA-2025:8126
libsoup, libsoup-devel on almalinux 9
ALSA-2025:8128
libsoup3-doc on almalinux 10
ALSA-2025:8132
libsoup, libsoup-devel on almalinux 8
ELSA-2025-8126
libsoup, libsoup-devel on ol 9

Vendor advisory

https://osv.dev/vulnerability/openSUSE-SU-2026:20354-1

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