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critical vulnerability in python-requests on openSUSE CVE-2025-54287

opensuse
Calendar Grey September 3, 2025
Dist Opensuse Esm H88
Critical update issued for python-aiohttp addressing request smuggling flaws in openSUSE. Implement this fix to protect your environment.
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)

Topics%20covered

Topics Covered

security advisory patch low request smuggling OpenSUSE python-aiohttp

Patch

## 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

* bsc#1246517

## References:

* https://www.suse.com/security/cve/CVE-2025-53643.html

* https://bugzilla.suse.com/show_bug.cgi?id=1246517

Severity
low
Lowest
Low
Medium
High
Critical

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

Topics%20covered

Topics Covered

security advisory patch low request smuggling OpenSUSE python-aiohttp

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