SUSE alert SUSE-SU-2025:03057-1 (python-aiohttp)

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OPENSUSE-SECURITY-UPDATES <null@suse.de>
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SUSE-SU-2025:03057-1: low: Security update for python-aiohttp
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Wed, 03 Sep 2025 16:30:16 -0000
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<175691701685.25622.12966735739239412583@smelt2.prg2.suse.org>
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Article


# Security update for python-aiohttp

Announcement ID: SUSE-SU-2025:03057-1  
Release Date: 2025-09-03T12:48:52Z  
Rating: low  
References:

  * bsc#1246517

  
Cross-References:

  * CVE-2025-53643

  
CVSS scores:

  * CVE-2025-53643 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-53643 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2025-53643 ( NVD ):  1.7

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2025-53643 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

  
Affected Products:

  * openSUSE Leap 15.4
  * openSUSE Leap 15.6
  * Public Cloud Module 15-SP4
  * Python 3 Module 15-SP6
  * Python 3 Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP6
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7
  * SUSE Manager Proxy 4.3
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.3

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python-aiohttp fixes the following issues:

  * CVE-2025-53643: Fixed request smuggling due to incorrect parsing of chunked
    trailer section (bsc#1246517)

## 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:

  * openSUSE Leap 15.6  
    zypper in -t patch openSUSE-SLE-15.6-2025-3057=1

  * Public Cloud Module 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2025-3057=1

  * Python 3 Module 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Python3-15-SP6-2025-3057=1

  * Python 3 Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2025-3057=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2025-3057=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * python-aiohttp-debugsource-3.9.3-150400.10.33.1
    * python311-aiohttp-3.9.3-150400.10.33.1
    * python311-aiohttp-debuginfo-3.9.3-150400.10.33.1
  * Public Cloud Module 15-SP4 (aarch64 ppc64le s390x x86_64)
    * python311-aiohttp-3.9.3-150400.10.33.1
  * Python 3 Module 15-SP6 (aarch64 ppc64le s390x x86_64)
    * python-aiohttp-debugsource-3.9.3-150400.10.33.1
    * python311-aiohttp-3.9.3-150400.10.33.1
    * python311-aiohttp-debuginfo-3.9.3-150400.10.33.1
  * Python 3 Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * python-aiohttp-debugsource-3.9.3-150400.10.33.1
    * python311-aiohttp-3.9.3-150400.10.33.1
    * python311-aiohttp-debuginfo-3.9.3-150400.10.33.1
  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    * python-aiohttp-debugsource-3.9.3-150400.10.33.1
    * python311-aiohttp-3.9.3-150400.10.33.1
    * python311-aiohttp-debuginfo-3.9.3-150400.10.33.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-53643.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1246517



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