Mehrere Probleme in libsoup2 (SUSE)

Дата публикации: 16-10-2026 21:40:44

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# Security update for libsoup2

Announcement ID: SUSE-SU-2026:4703-1
Release Date: 2026-10-16T13:29:47Z
Rating: important
References:

* bsc#1271446
* bsc#1271448
* bsc#1271449
* bsc#1272195
* bsc#1273156
* bsc#1275988
* bsc#1276759
* bsc#1283300
* bsc#1283301
* bsc#1283302
* bsc#1283303
* bsc#1283304
* bsc#1283831

Cross-References:

* CVE-2026-102556
* CVE-2026-102557
* CVE-2026-102558
* CVE-2026-102559
* CVE-2026-102560
* CVE-2026-103399
* CVE-2026-12547
* CVE-2026-12548
* CVE-2026-15711
* CVE-2026-15713
* CVE-2026-15714
* CVE-2026-2708
* CVE-2026-66339
* CVE-2026-77014
* CVE-2026-77680

CVSS scores:

* CVE-2026-102556 ( SUSE ): 8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2026-102556 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-102556 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-102557 ( SUSE ): 8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2026-102557 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-102557 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-102558 ( SUSE ): 8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2026-102558 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-102558 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-102559 ( SUSE ): 8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2026-102559 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-102559 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-102559 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-102560 ( SUSE ): 8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2026-102560 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-102560 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-102560 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-103399 ( SUSE ): 9.1
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-103399 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-103399 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2026-12547 ( SUSE ): 5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
* CVE-2026-12547 ( SUSE ): 4.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
* CVE-2026-12547 ( NVD ): 3.4 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
* CVE-2026-12548 ( SUSE ): 6.3
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
* CVE-2026-12548 ( SUSE ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
* CVE-2026-12548 ( NVD ): 4.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L
* CVE-2026-15711 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-15711 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-15713 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
* CVE-2026-15713 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
* CVE-2026-15714 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
* CVE-2026-15714 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
* CVE-2026-2708 ( SUSE ): 8.3
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-2708 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
* CVE-2026-2708 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2026-2708 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2026-66339 ( SUSE ): 7.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
* CVE-2026-66339 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
* CVE-2026-66339 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
* CVE-2026-77014 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2026-77014 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2026-77680 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-77680 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products:

* Basesystem Module 15-SP7
* openSUSE Leap 15.6
* SUSE Linux Enterprise Desktop 15 SP7
* SUSE Linux Enterprise Real Time 15 SP7
* SUSE Linux Enterprise Server 15 SP6
* SUSE Linux Enterprise Server 15 SP6 LTSS
* SUSE Linux Enterprise Server 15 SP7
* SUSE Linux Enterprise Server for SAP Applications 15 SP6
* SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves 15 vulnerabilities can now be installed.

## Description:

This update for libsoup2 fixes the following issues:

* CVE-2026-12547: Header "Proxy-Authorization" leads to credentials
being send
to different proxy after proxy switch (bsc#1272195).
* CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service
via oversized control frame protocol violation (bsc#1271446).
* CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote
denial of service via memory leak (bsc#1271448).
* CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in
soup_multipart_input_stream_read_headers via an oversized multipart
boundary
string (bsc#1271449).
* CVE-2026-66339: proxy credentials leak to destination server via `Proxy-
Authorization` header in CONNECT tunnels (bsc#1273156).
* CVE-2026-77014: Integer truncation in sort_ranges() comparator causes
silent
omission of HTTP Range responses (bsc#1275988).
* CVE-2026-77680: quadratic CPU denial of service in HTTP Range coalescing
after the CVE-2025-32907 fix (bsc#1276759).
* CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type
confusion (bsc#1283300).
* CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly
(bsc#1283301).
* CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer
growth
(bsc#1283302).
* CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking
(bsc#1283303).
* CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate
buffer growth (bsc#1283304).
* CVE-2026-103399: incomplete request body draining in HTTP/1.x early
responses can allow HTTP request smuggling (bsc#1283831).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

* SUSE Linux Enterprise Server for SAP Applications 15 SP6
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-4703

* openSUSE Leap 15.6
zypper in -t patch SUSE-2026-4703

* Basesystem Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-4703

* SUSE Linux Enterprise Server 15 SP6 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-4703

## Package List:

* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
* libsoup-2_4-1-2.74.3-150600.4.42.1
* typelib-1_0-Soup-2_4-2.74.3-150600.4.42.1
* libsoup-2_4-1-debuginfo-2.74.3-150600.4.42.1
* libsoup2-debugsource-2.74.3-150600.4.42.1
* libsoup2-devel-2.74.3-150600.4.42.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
* libsoup2-lang-2.74.3-150600.4.42.1
* openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
* libsoup-2_4-1-2.74.3-150600.4.42.1
* typelib-1_0-Soup-2_4-2.74.3-150600.4.42.1
* libsoup-2_4-1-debuginfo-2.74.3-150600.4.42.1
* libsoup2-debugsource-2.74.3-150600.4.42.1
* libsoup2-devel-2.74.3-150600.4.42.1
* openSUSE Leap 15.6 (x86_64)
* libsoup-2_4-1-32bit-debuginfo-2.74.3-150600.4.42.1
* libsoup2-devel-32bit-2.74.3-150600.4.42.1
* libsoup-2_4-1-32bit-2.74.3-150600.4.42.1
* openSUSE Leap 15.6 (aarch64_ilp32)
* libsoup-2_4-1-64bit-debuginfo-2.74.3-150600.4.42.1
* libsoup-2_4-1-64bit-2.74.3-150600.4.42.1
* libsoup2-devel-64bit-2.74.3-150600.4.42.1
* openSUSE Leap 15.6 (noarch)
* libsoup2-lang-2.74.3-150600.4.42.1
* Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
* libsoup-2_4-1-2.74.3-150600.4.42.1
* typelib-1_0-Soup-2_4-2.74.3-150600.4.42.1
* libsoup-2_4-1-debuginfo-2.74.3-150600.4.42.1
* libsoup2-debugsource-2.74.3-150600.4.42.1
* libsoup2-devel-2.74.3-150600.4.42.1
* Basesystem Module 15-SP7 (noarch)
* libsoup2-lang-2.74.3-150600.4.42.1
* SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
* libsoup-2_4-1-2.74.3-150600.4.42.1
* typelib-1_0-Soup-2_4-2.74.3-150600.4.42.1
* libsoup-2_4-1-debuginfo-2.74.3-150600.4.42.1
* libsoup2-debugsource-2.74.3-150600.4.42.1
* libsoup2-devel-2.74.3-150600.4.42.1
* SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
* libsoup2-lang-2.74.3-150600.4.42.1

## References:

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<div class="container">
<h1>Security update for libsoup2</h1>

<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:4703-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-10-16T13:29:47Z</td>
</tr>

<tr>
<th>Rating:</th>
<td>important</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>

</ul>
</td>
</tr>

<tr>
<th>
Cross-References:
</th>
<td>
<ul>

</ul>
</td>
</tr>
<tr>
<th>CVSS scores:</th>
<td>
<ul class="list-group">

<li class="list-group-item">
CVE-2026-102556

(

SUSE

):

8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
</li>

<li class="list-group-item">
CVE-2026-102556

(

SUSE