SUSE alert SUSE-SU-2026:22372-1 (python-python-multipart)

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SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:22372-1: important: Security update for python-python-multipart
Date:
             
 
Wed, 01 Jul 2026 16:34:41 -0000
Message-ID:
             
 
<178292368126.5373.16593121935281790397@bea6e15a6baf>
# Security update for python-python-multipart

Announcement ID: SUSE-SU-2026:22372-1  
Release Date: 2026-06-26T08:00:10Z  
Rating: important  
References:

  * bsc#1268488
  * bsc#1268496
  * bsc#1268500
  * bsc#1268506

  
Cross-References:

  * CVE-2026-53537
  * CVE-2026-53538
  * CVE-2026-53539
  * CVE-2026-53540

  
CVSS scores:

  * CVE-2026-53537 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-53537 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-53537 ( NVD ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-53537 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-53538 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-53538 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-53538 ( NVD ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-53539 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-53539 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-53539 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-53540 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-53540 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-53540 ( NVD ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for python-python-multipart fixes the following issues

  * CVE-2026-53537: multipart/form-data with extended parameters can lead to
    file or parameter smuggling (bsc#1268506).
  * CVE-2026-53538: urlencoded requests containing semicolons can lead to form
    field smuggling (bsc#1268496).
  * CVE-2026-53539: small crafted body can cause a denial of service
    (bsc#1268500).
  * CVE-2026-53540: crafted request buffers can lead to degrading availability
    (bsc#1268488).

## 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 16.0  
    zypper in -t patch SUSE-SLES-16.0-1088=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-1088=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (noarch)
    * python313-python-multipart-0.0.20-160000.5.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
    * python313-python-multipart-0.0.20-160000.5.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-53537.html
  * https://www.suse.com/security/cve/CVE-2026-53538.html
  * https://www.suse.com/security/cve/CVE-2026-53539.html
  * https://www.suse.com/security/cve/CVE-2026-53540.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1268488
  * https://bugzilla.suse.com/show_bug.cgi?id=1268496
  * https://bugzilla.suse.com/show_bug.cgi?id=1268500
  * https://bugzilla.suse.com/show_bug.cgi?id=1268506



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