Security update for python-aiohttp

Announcement ID:	SUSE-SU-2026:0858-1
Release Date:	2026-03-10T12:39:04Z
Rating:	important
References:	bsc#1256017 bsc#1256018 bsc#1256019 bsc#1256020 bsc#1256021 bsc#1256022 bsc#1256023
Cross-References:	CVE-2025-69223 CVE-2025-69224 CVE-2025-69225 CVE-2025-69226 CVE-2025-69227 CVE-2025-69228 CVE-2025-69229
CVSS scores:	CVE-2025-69223 ( 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-2025-69223 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2025-69223 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2025-69224 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-69224 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVE-2025-69224 ( NVD ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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-2025-69224 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVE-2025-69225 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-69225 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVE-2025-69225 ( NVD ): 2.7 CVSS:4.0/AV:N/AC:L/AT:N/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-2025-69225 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVE-2025-69226 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVE-2025-69226 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVE-2025-69226 ( NVD ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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-2025-69226 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVE-2025-69227 ( 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-2025-69227 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2025-69227 ( NVD ): 6.6 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/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-2025-69227 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2025-69228 ( 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-2025-69228 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2025-69228 ( NVD ): 6.6 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/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-2025-69228 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2025-69229 ( 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-2025-69229 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2025-69229 ( NVD ): 6.6 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/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-2025-69229 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products:	openSUSE Leap 15.4 openSUSE Leap 15.6 Public Cloud Module 15-SP4 Python 3 Module 15-SP7 SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP4 LTSS SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server 15 SP5 LTSS SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server 15 SP6 LTSS SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP5 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 seven vulnerabilities can now be installed.

Description:

This update for python-aiohttp fixes the following issues:

• CVE-2025-69228: Fixed denial of service through large payloads (bsc#1256022).
• CVE-2025-69226: Fixed brute-force leak of internal static file path components (bsc#1256020).
• CVE-2025-69224: Fixed unicode processing of header values could cause parsing discrepancies (bsc#1256018).
• CVE-2025-69223: Fixed aiohttp HTTP Parser auto_decompress feature susceptible to zip bomb (bsc#1256017).
• CVE-2025-69227: Fixed DoS when bypassing asserts (bsc#1256021).
• CVE-2025-69225: Fixed unicode match groups in regexes for ASCII protocol elements (bsc#1256019).
• CVE-2025-69229: Fixed DoS through chunked messages (bsc#1256023).

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 15.4
  zypper in -t patch SUSE-2026-858=1
• openSUSE Leap 15.6
  zypper in -t patch openSUSE-SLE-15.6-2026-858=1
• Public Cloud Module 15-SP4
  zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2026-858=1
• Python 3 Module 15-SP7
  zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-858=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-858=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-858=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-858=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-858=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-858=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-858=1
• SUSE Linux Enterprise Server 15 SP6 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-858=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-858=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-858=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-858=1

Package List:

• openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• Public Cloud Module 15-SP4 (aarch64 ppc64le s390x x86_64)
  • python311-aiohttp-3.9.3-150400.10.36.1
• Python 3 Module 15-SP7 (aarch64 ppc64le s390x x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
  • python311-aiohttp-debuginfo-3.9.3-150400.10.36.1
  • python311-aiohttp-3.9.3-150400.10.36.1
  • python-aiohttp-debugsource-3.9.3-150400.10.36.1

References:

• https://www.suse.com/security/cve/CVE-2025-69223.html
• https://www.suse.com/security/cve/CVE-2025-69224.html
• https://www.suse.com/security/cve/CVE-2025-69225.html
• https://www.suse.com/security/cve/CVE-2025-69226.html
• https://www.suse.com/security/cve/CVE-2025-69227.html
• https://www.suse.com/security/cve/CVE-2025-69228.html
• https://www.suse.com/security/cve/CVE-2025-69229.html
• https://bugzilla.suse.com/show_bug.cgi?id=1256017
• https://bugzilla.suse.com/show_bug.cgi?id=1256018
• https://bugzilla.suse.com/show_bug.cgi?id=1256019
• https://bugzilla.suse.com/show_bug.cgi?id=1256020
• https://bugzilla.suse.com/show_bug.cgi?id=1256021
• https://bugzilla.suse.com/show_bug.cgi?id=1256022
• https://bugzilla.suse.com/show_bug.cgi?id=1256023