SUSE-SU-2026:24368-1: important: Security update for libsoup
SLE-SECURITY-UPDATES
null at suse.de
Tue Oct 27 08:39:45 UTC 2026
# Security update for libsoup
Announcement ID: SUSE-SU-2026:24368-1
Release Date: 2026-10-21T09:15:58Z
Rating: important
References:
* bsc#1271446
* bsc#1271447
* bsc#1271448
* bsc#1271449
* bsc#1272195
* bsc#1272196
* bsc#1273156
* bsc#1283299
* bsc#1283300
* bsc#1283301
* bsc#1283302
* bsc#1283303
* bsc#1283304
* bsc#1283831
Cross-References:
* CVE-2026-102555
* 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-2026-15712
* CVE-2026-15713
* CVE-2026-15714
* CVE-2026-2708
* CVE-2026-66339
CVSS scores:
* CVE-2026-102555 ( SUSE ): 8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-102555 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
* CVE-2026-102555 ( NVD ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
* 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 ): 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-2026-103399 ( 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-2026-15712 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-15712 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/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
Affected Products:
* SUSE Linux Micro 6.0
An update that solves 15 vulnerabilities can now be installed.
## Description:
This update for libsoup fixes the following issues:
* CVE-2026-12547: Header "Proxy-Authorization" leads to credentials being send
to different proxy after proxy switch (bsc#1272195).
* CVE-2026-12548: out-of-bounds read in multipart body parser due to an
integer truncation (bsc#1272196).
* CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service
via oversized control frame protocol violation (bsc#1271446).
* CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap
buffer over-read via invalid NUL- termination assumption (bsc#1271447).
* 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-2026-102555: Heap buffer overflow via uninitialized length in data-URI
base64 decoding (bsc#1283299).
* 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 Micro 6.0
zypper in -t patch SUSE-SLE-Micro-6.0-943
## Package List:
* SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
* libsoup-debugsource-3.4.2-159998.1.1
* libsoup-3_0-0-3.4.2-159998.1.1
* libsoup-3_0-0-debuginfo-3.4.2-159998.1.1
## References:
* https://www.suse.com/security/cve/CVE-2026-102555.html
* https://www.suse.com/security/cve/CVE-2026-102556.html
* https://www.suse.com/security/cve/CVE-2026-102557.html
* https://www.suse.com/security/cve/CVE-2026-102558.html
* https://www.suse.com/security/cve/CVE-2026-102559.html
* https://www.suse.com/security/cve/CVE-2026-102560.html
* https://www.suse.com/security/cve/CVE-2026-103399.html
* https://www.suse.com/security/cve/CVE-2026-12547.html
* https://www.suse.com/security/cve/CVE-2026-12548.html
* https://www.suse.com/security/cve/CVE-2026-15711.html
* https://www.suse.com/security/cve/CVE-2026-15712.html
* https://www.suse.com/security/cve/CVE-2026-15713.html
* https://www.suse.com/security/cve/CVE-2026-15714.html
* https://www.suse.com/security/cve/CVE-2026-2708.html
* https://www.suse.com/security/cve/CVE-2026-66339.html
* https://bugzilla.suse.com/show_bug.cgi?id=1271446
* https://bugzilla.suse.com/show_bug.cgi?id=1271447
* https://bugzilla.suse.com/show_bug.cgi?id=1271448
* https://bugzilla.suse.com/show_bug.cgi?id=1271449
* https://bugzilla.suse.com/show_bug.cgi?id=1272195
* https://bugzilla.suse.com/show_bug.cgi?id=1272196
* https://bugzilla.suse.com/show_bug.cgi?id=1273156
* https://bugzilla.suse.com/show_bug.cgi?id=1283299
* https://bugzilla.suse.com/show_bug.cgi?id=1283300
* https://bugzilla.suse.com/show_bug.cgi?id=1283301
* https://bugzilla.suse.com/show_bug.cgi?id=1283302
* https://bugzilla.suse.com/show_bug.cgi?id=1283303
* https://bugzilla.suse.com/show_bug.cgi?id=1283304
* https://bugzilla.suse.com/show_bug.cgi?id=1283831
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