SUSE-SU-2026:23800-1: moderate: Security update for libsoup

[SLE-UPDATES]

# Security update for libsoup

Announcement ID: SUSE-SU-2026:23800-1  
Release Date: 2026-09-17T07:54:41Z  
Rating: moderate  
References:

  * bsc#1271401

  
Cross-References:

  * CVE-2026-12478

  
CVSS scores:

  * 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

  
Affected Products:

  * SUSE Linux Micro 6.2

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libsoup fixes the following issues

  * CVE-2026-0716: out-of-bounds read when processing a crafted unmasked frame
    with a payload length near `UINT64_MAX` sent by a WebSocket server
    (bsc#1256418).

## 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 6.2  
    zypper in -t patch SUSE-SL-Micro-6.2-1693

## Package List:

  * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
    * libsoup-debugsource-3.6.6-160000.3.1
    * libsoup-3_0-0-debuginfo-3.6.6-160000.3.1
    * libsoup-3_0-0-3.6.6-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-12478.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1271401

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