SUSE-SU-2026:4274-1: important: Security update for libsoup

SLE-SECURITY-UPDATES null at suse.de
Mon Sep 21 12:31:51 UTC 2026 

# Security update for libsoup

Announcement ID: SUSE-SU-2026:4274-1  
Release Date: 2026-09-21T07:31:26Z  
Rating: important  
References:

  * bsc#1279238
  * bsc#1279239

  
Cross-References:

  * CVE-2026-85197
  * CVE-2026-85534

  
CVSS scores:

  * CVE-2026-85197 ( SUSE ):  7.7
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-85197 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-85197 ( NVD ):  7.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
  * CVE-2026-85534 ( SUSE ):  9.2
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-85534 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-85534 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for libsoup fixes the following issues:

  * CVE-2026-85197: heap use-after-free in HTTP/2 `client on_data_read()` via
    `GOAWAY` during body upload (bsc#1279238).
  * CVE-2026-85534: heap buffer overflow in `SoupSession` through
    `on_data_source_read_callback()` via `SETTINGS` frame with crafted
    `INITIAL_WINDOW_SIZE` (bsc#1279239).

## 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 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-4274

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-4274

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-4274

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-4274

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-4274

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-4274

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-4274

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-4274

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-4274

## Package List:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * libsoup-3_0-0-debuginfo-3.0.4-150400.3.49.1
    * typelib-1_0-Soup-3_0-3.0.4-150400.3.49.1
    * libsoup-debugsource-3.0.4-150400.3.49.1
    * libsoup-devel-3.0.4-150400.3.49.1
    * libsoup-3_0-0-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)
    * libsoup-lang-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * libsoup-3_0-0-debuginfo-3.0.4-150400.3.49.1
    * typelib-1_0-Soup-3_0-3.0.4-150400.3.49.1
    * libsoup-debugsource-3.0.4-150400.3.49.1
    * libsoup-devel-3.0.4-150400.3.49.1
    * libsoup-3_0-0-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)
    * libsoup-lang-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * libsoup-3_0-0-debuginfo-3.0.4-150400.3.49.1
    * typelib-1_0-Soup-3_0-3.0.4-150400.3.49.1
    * libsoup-debugsource-3.0.4-150400.3.49.1
    * libsoup-devel-3.0.4-150400.3.49.1
    * libsoup-3_0-0-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
    * libsoup-lang-3.0.4-150400.3.49.1
  * openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
    * libsoup-3_0-0-debuginfo-3.0.4-150400.3.49.1
    * typelib-1_0-Soup-3_0-3.0.4-150400.3.49.1
    * libsoup-debugsource-3.0.4-150400.3.49.1
    * libsoup-devel-3.0.4-150400.3.49.1
    * libsoup-3_0-0-3.0.4-150400.3.49.1
  * openSUSE Leap 15.4 (x86_64)
    * libsoup-3_0-0-32bit-debuginfo-3.0.4-150400.3.49.1
    * libsoup-devel-32bit-3.0.4-150400.3.49.1
    * libsoup-3_0-0-32bit-3.0.4-150400.3.49.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * libsoup-3_0-0-64bit-3.0.4-150400.3.49.1
    * libsoup-devel-64bit-3.0.4-150400.3.49.1
    * libsoup-3_0-0-64bit-debuginfo-3.0.4-150400.3.49.1
  * openSUSE Leap 15.4 (noarch)
    * libsoup-lang-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * libsoup-3_0-0-debuginfo-3.0.4-150400.3.49.1
    * typelib-1_0-Soup-3_0-3.0.4-150400.3.49.1
    * libsoup-debugsource-3.0.4-150400.3.49.1
    * libsoup-devel-3.0.4-150400.3.49.1
    * libsoup-3_0-0-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
    * libsoup-lang-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * libsoup-3_0-0-debuginfo-3.0.4-150400.3.49.1
    * typelib-1_0-Soup-3_0-3.0.4-150400.3.49.1
    * libsoup-debugsource-3.0.4-150400.3.49.1
    * libsoup-devel-3.0.4-150400.3.49.1
    * libsoup-3_0-0-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
    * libsoup-lang-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * libsoup-3_0-0-debuginfo-3.0.4-150400.3.49.1
    * typelib-1_0-Soup-3_0-3.0.4-150400.3.49.1
    * libsoup-debugsource-3.0.4-150400.3.49.1
    * libsoup-devel-3.0.4-150400.3.49.1
    * libsoup-3_0-0-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
    * libsoup-lang-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * libsoup-3_0-0-debuginfo-3.0.4-150400.3.49.1
    * typelib-1_0-Soup-3_0-3.0.4-150400.3.49.1
    * libsoup-debugsource-3.0.4-150400.3.49.1
    * libsoup-devel-3.0.4-150400.3.49.1
    * libsoup-3_0-0-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)
    * libsoup-lang-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libsoup-3_0-0-debuginfo-3.0.4-150400.3.49.1
    * typelib-1_0-Soup-3_0-3.0.4-150400.3.49.1
    * libsoup-debugsource-3.0.4-150400.3.49.1
    * libsoup-devel-3.0.4-150400.3.49.1
    * libsoup-3_0-0-3.0.4-150400.3.49.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
    * libsoup-lang-3.0.4-150400.3.49.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-85197.html
  * https://www.suse.com/security/cve/CVE-2026-85534.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1279238
  * https://bugzilla.suse.com/show_bug.cgi?id=1279239

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