SUSE-SU-2026:4690-1: important: Security update for libsoup

SLE-SECURITY-UPDATES null at suse.de
Fri Oct 16 16:31:26 UTC 2026 

# Security update for libsoup

Announcement ID: SUSE-SU-2026:4690-1  
Release Date: 2026-10-16T08:42:01Z  
Rating: important  
References:

  * bsc#1271401
  * bsc#1271446
  * bsc#1271448
  * bsc#1271449
  * bsc#1272195
  * bsc#1273156
  * bsc#1283300
  * bsc#1283301
  * bsc#1283302
  * bsc#1283303
  * bsc#1283831

  
Cross-References:

  * CVE-2026-0716
  * CVE-2026-102556
  * CVE-2026-102557
  * CVE-2026-102558
  * CVE-2026-102559
  * CVE-2026-103399
  * CVE-2026-12478
  * CVE-2026-12547
  * CVE-2026-12548
  * CVE-2026-1539
  * CVE-2026-15711
  * CVE-2026-15713
  * CVE-2026-15714
  * CVE-2026-66339

  
CVSS scores:

  * CVE-2026-0716 ( SUSE ):  8.3
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-0716 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L
  * CVE-2026-0716 ( NVD ):  4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
  * 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-2026-103399 ( 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-2026-12478 ( 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-2026-12478 ( SUSE ):  4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
  * CVE-2026-12478 ( NVD ):  4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
  * 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-2026-1539 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
  * CVE-2026-1539 ( SUSE ):  5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
  * CVE-2026-1539 ( NVD ):  5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
  * CVE-2026-1539 ( NVD ):  5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
  * 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-2026-66339 ( 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 Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves 14 vulnerabilities can now be installed.

## Description:

This update for libsoup fixes the following issues:

  * CVE-2026-12478: websocket: Fix out-of-bounds read when reading unmasked
    frame (bsc#1271401).
  * 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-2026-102556: 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-2026-103399: 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 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-4690

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-4690

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libsoup-devel-2.62.2-5.49.1
    * typelib-1_0-Soup-2_4-2.62.2-5.49.1
    * libsoup-debugsource-2.62.2-5.49.1
    * libsoup-2_4-1-debuginfo-2.62.2-5.49.1
    * libsoup-2_4-1-2.62.2-5.49.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * libsoup-2_4-1-32bit-2.62.2-5.49.1
    * libsoup-2_4-1-debuginfo-32bit-2.62.2-5.49.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    * libsoup-lang-2.62.2-5.49.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libsoup-devel-2.62.2-5.49.1
    * libsoup-debugsource-2.62.2-5.49.1
    * typelib-1_0-Soup-2_4-2.62.2-5.49.1
    * libsoup-2_4-1-debuginfo-32bit-2.62.2-5.49.1
    * libsoup-2_4-1-debuginfo-2.62.2-5.49.1
    * libsoup-2_4-1-32bit-2.62.2-5.49.1
    * libsoup-2_4-1-2.62.2-5.49.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * libsoup-lang-2.62.2-5.49.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-0716.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-2026-103399.html
  * https://www.suse.com/security/cve/CVE-2026-12478.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-2026-1539.html
  * https://www.suse.com/security/cve/CVE-2026-15711.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-2026-66339.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1271401
  * https://bugzilla.suse.com/show_bug.cgi?id=1271446
  * 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=1273156
  * 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=1283831

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-security-updates/attachments/20261016/3b58b4c8/attachment.htm>

More information about the sle-security-updates mailing list