SUSE-SU-2025:20453-1: important: Security update for libsoup

[SLE-SECURITY-UPDATES]

# Security update for libsoup

Announcement ID: SUSE-SU-2025:20453-1  
Release Date: 2025-06-28T05:47:23Z  
Rating: important  
References:

  * bsc#1243314
  * bsc#1243332
  * bsc#1243422
  * bsc#1243423

  
Cross-References:

  * CVE-2025-4476
  * CVE-2025-4945
  * CVE-2025-4948
  * CVE-2025-4969

  
CVSS scores:

  * CVE-2025-4476 ( SUSE ):  2.1
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-4476 ( SUSE ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-4476 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-4945 ( SUSE ):  2.3
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-4945 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2025-4945 ( NVD ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2025-4948 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-4948 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-4948 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-4969 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-4969 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
  * CVE-2025-4969 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for libsoup fixes the following issues:

  * CVE-2025-4476: Fixed null pointer dereference that may lead to denial of
    service (bsc#1243422)
  * CVE-2025-4948: Fixed Integer Underflow in soup_multipart_new_from_message()
    Leading to Denial of Service in libsoup (bsc#1243332)
  * CVE-2025-4969: Fixed off-by-one out-of-bounds read may lead to infoleak
    (bsc#1243423)
  * CVE-2025-4945: Fixed Integer Overflow in Cookie Expiration Date Handling in
    libsoup (bsc#1243314)

## 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-6.0-368=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * libsoup-debugsource-3.4.2-8.1
    * libsoup-3_0-0-debuginfo-3.4.2-8.1
    * libsoup-3_0-0-3.4.2-8.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-4476.html
  * https://www.suse.com/security/cve/CVE-2025-4945.html
  * https://www.suse.com/security/cve/CVE-2025-4948.html
  * https://www.suse.com/security/cve/CVE-2025-4969.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1243314
  * https://bugzilla.suse.com/show_bug.cgi?id=1243332
  * https://bugzilla.suse.com/show_bug.cgi?id=1243422
  * https://bugzilla.suse.com/show_bug.cgi?id=1243423

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