SUSE-SU-2026:20425-1: important: Security update for python-aiohttp, python-Brotli
SLE-SECURITY-UPDATES
null at suse.de
Wed Feb 18 16:31:10 UTC 2026
# Security update for python-aiohttp, python-Brotli
Announcement ID: SUSE-SU-2026:20425-1
Release Date: 2026-02-12T14:01:04Z
Rating: important
References:
* bsc#1246517
* bsc#1254867
* bsc#1256017
* bsc#1256018
* bsc#1256019
* bsc#1256020
* bsc#1256021
* bsc#1256022
* bsc#1256023
Cross-References:
* CVE-2025-53643
* CVE-2025-69223
* CVE-2025-69224
* CVE-2025-69225
* CVE-2025-69226
* CVE-2025-69227
* CVE-2025-69228
* CVE-2025-69229
CVSS scores:
* CVE-2025-53643 ( 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
* 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:
* SUSE Linux Enterprise Server 16.0
* SUSE Linux Enterprise Server for SAP Applications 16.0
An update that solves eight vulnerabilities and has one fix can now be
installed.
## Description:
This update for python-aiohttp, python-Brotli fixes the following issues:
Changes in python-aiohttp:
* 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).
* CVE-2025-53643: Fixed request smuggling due to incorrect parsing of chunked
trailer section (bsc#1246517).
Changes in python-Brotli:
* Add max length decompression (bsc#1254867, bsc#1256017).
## 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-16.0-259=1
* SUSE Linux Enterprise Server for SAP Applications 16.0
zypper in -t patch SUSE-SLES-16.0-259=1
## Package List:
* SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
* python313-aiohttp-3.11.16-160000.3.1
* python313-Brotli-debuginfo-1.1.0-160000.3.1
* python-aiohttp-debugsource-3.11.16-160000.3.1
* python313-aiohttp-debuginfo-3.11.16-160000.3.1
* python-Brotli-debugsource-1.1.0-160000.3.1
* python313-Brotli-1.1.0-160000.3.1
* SUSE Linux Enterprise Server for SAP Applications 16.0 (ppc64le x86_64)
* python313-aiohttp-3.11.16-160000.3.1
* python313-Brotli-debuginfo-1.1.0-160000.3.1
* python-aiohttp-debugsource-3.11.16-160000.3.1
* python313-aiohttp-debuginfo-3.11.16-160000.3.1
* python-Brotli-debugsource-1.1.0-160000.3.1
* python313-Brotli-1.1.0-160000.3.1
## References:
* https://www.suse.com/security/cve/CVE-2025-53643.html
* 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=1246517
* https://bugzilla.suse.com/show_bug.cgi?id=1254867
* 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
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