Security update for python-gunicorn SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2025:1008-1 Final 1 1 2025-03-25T11:09:00Z current 2025-03-25T11:09:00Z 2025-03-25T11:09:00Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for python-gunicorn This update for python-gunicorn fixes the following issues: - CVE-2024-6827: Fixed improper validation of the 'Transfer-Encoding' header value can allow for HTTP request smuggling attacks (bsc#1239830) The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2025-1008,SUSE-SLE-Module-Python3-15-SP6-2025-1008,SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-1008,SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-1008,SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-1008,SUSE-SLE-Product-HPC-15-SP5-LTSS-2025-1008,SUSE-SLE-Product-SLES-15-SP4-LTSS-2025-1008,SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-1008,SUSE-SLE-Product-SLES_SAP-15-SP4-2025-1008,SUSE-SLE-Product-SLES_SAP-15-SP5-2025-1008,openSUSE-SLE-15.6-2025-1008 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2025/suse-su-20251008-1/ Link for SUSE-SU-2025:1008-1 https://lists.suse.com/pipermail/sle-security-updates/2025-March/020590.html E-Mail link for SUSE-SU-2025:1008-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1239830 SUSE Bug 1239830 https://www.suse.com/security/cve/CVE-2024-6827/ SUSE CVE CVE-2024-6827 page SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS SUSE Linux Enterprise Module for Python 3 15 SP6 SUSE Linux Enterprise Server 15 SP4-LTSS SUSE Linux Enterprise Server 15 SP5-LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP5 openSUSE Leap 15.6 python311-gunicorn-20.1.0-150400.12.9.1 python311-gunicorn-20.1.0-150400.12.9.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS python311-gunicorn-20.1.0-150400.12.9.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS python311-gunicorn-20.1.0-150400.12.9.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS python311-gunicorn-20.1.0-150400.12.9.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS python311-gunicorn-20.1.0-150400.12.9.1 as a component of SUSE Linux Enterprise Module for Python 3 15 SP6 python311-gunicorn-20.1.0-150400.12.9.1 as a component of SUSE Linux Enterprise Server 15 SP4-LTSS python311-gunicorn-20.1.0-150400.12.9.1 as a component of SUSE Linux Enterprise Server 15 SP5-LTSS python311-gunicorn-20.1.0-150400.12.9.1 as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 python311-gunicorn-20.1.0-150400.12.9.1 as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP5 python311-gunicorn-20.1.0-150400.12.9.1 as a component of openSUSE Leap 15.6 Gunicorn version 21.2.0 does not properly validate the value of the 'Transfer-Encoding' header as specified in the RFC standards, which leads to the default fallback method of 'Content-Length,' making it vulnerable to TE.CL request smuggling. This vulnerability can lead to cache poisoning, data exposure, session manipulation, SSRF, XSS, DoS, data integrity compromise, security bypass, information leakage, and business logic abuse. CVE-2024-6827 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:python311-gunicorn-20.1.0-150400.12.9.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:python311-gunicorn-20.1.0-150400.12.9.1 SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS:python311-gunicorn-20.1.0-150400.12.9.1 SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:python311-gunicorn-20.1.0-150400.12.9.1 SUSE Linux Enterprise Module for Python 3 15 SP6:python311-gunicorn-20.1.0-150400.12.9.1 SUSE Linux Enterprise Server 15 SP4-LTSS:python311-gunicorn-20.1.0-150400.12.9.1 SUSE Linux Enterprise Server 15 SP5-LTSS:python311-gunicorn-20.1.0-150400.12.9.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:python311-gunicorn-20.1.0-150400.12.9.1 SUSE Linux Enterprise Server for SAP Applications 15 SP5:python311-gunicorn-20.1.0-150400.12.9.1 openSUSE Leap 15.6:python311-gunicorn-20.1.0-150400.12.9.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2025/suse-su-20251008-1/ https://www.suse.com/security/cve/CVE-2024-6827.html CVE-2024-6827 https://bugzilla.suse.com/1239830 SUSE Bug 1239830