SUSE-SU-2026:22151-1: important: Security update for python-starlette

[SLE-SECURITY-UPDATES]

# Security update for python-starlette

Announcement ID: SUSE-SU-2026:22151-1  
Release Date: 2026-06-17T08:32:02Z  
Rating: important  
References:

  * bsc#1246855
  * bsc#1252805
  * bsc#1266369

  
Cross-References:

  * CVE-2025-54121
  * CVE-2025-62727
  * CVE-2026-48710

  
CVSS scores:

  * CVE-2025-54121 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-54121 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-54121 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-62727 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-62727 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-62727 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-48710 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-48710 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-48710 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-48710 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-48710 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

  
Affected Products:

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

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for python-starlette fixes the following issues

  * CVE-2025-54121: denial-of-service when parsing a multi-part form with large
    files (bsc#1246855).
  * CVE-2025-62727: DoS via Range header merging (bsc#1252805).
  * CVE-2026-48710: Missing Host header validation poisons request.url.path,
    bypassing path-based security checks (bsc#1266369).

## 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-16.0-940=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-940=1

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
    * python313-starlette-0.41.3-160000.3.1
  * SUSE Linux Enterprise Server 16.0 (noarch)
    * python313-starlette-0.41.3-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-54121.html
  * https://www.suse.com/security/cve/CVE-2025-62727.html
  * https://www.suse.com/security/cve/CVE-2026-48710.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1246855
  * https://bugzilla.suse.com/show_bug.cgi?id=1252805
  * https://bugzilla.suse.com/show_bug.cgi?id=1266369

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