SUSE: 2025:20330-1 Critical Update: Fix for Chunked-Encoding in Python
suse
May 28, 2025
* bsc#1241872 Cross-References: * CVE-2025-43859
Summary
## This update for python-h11, python-httpcore fixes the following issues: python-h11: \- Update 0.16.0: * CVE-2025-43859: Fixed accepting of malformed Chunked-Encoding bodies (bsc#1241872) \- 0.15.0: * Reject Content-Lengths >= 1 zettabyte (1 billion terabytes) early, without attempting to parse the integer (#181) python-httpcore: \- CVE-2025-43859: Fixed accepting of malformed Chunked- Encoding bodies (bsc#1241872) ## 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 Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-114=1 ## Package List: * SUSE Linux Micro 6.1 (noarch) * python311-h11-0.16.0-slfo.1.1_1.1
References
* bsc#1241872
Cross-
* CVE-2025-43859
CVSS scores:
* CVE-2025-43859 ( SUSE ): 9.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2025-43859 ( SUSE ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2025-43859 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products:
* SUSE Linux Micro 6.1
An update that solves one vulnerability can now be installed.
##
* https://www.suse.com/security/cve/CVE-2025-43859.html
* https://bugzilla.suse.com/show_bug.cgi?id=1241872
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Announcement ID: SUSE-SU-2025:20330-1
Release Date: May 20, 2025, 8:39 a.m.
Rating: critical
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