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SUSE: 2025:20331-1 critical: python-httpcore and python-h11 exploit fix

suse
Calendar Grey May 29, 2025
Dist Suse Esm H88
A critical patch for vulnerabilities in python-httpcore and python-h11 is now available for SUSE users to secure their systems effectively
* bsc#1241872 Cross-References: * CVE-2025-43859

Summary

## This update for python-httpcore, python-h11 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 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-327=1 ## Package List: * SUSE Linux Micro 6.0 (noarch) * python311-h11-0.16.0-1.1 * python311-httpcore-0.16.3-7.1

Topics%20covered

Topics Covered

security advisory critical SUSE python-h11 malformed encoding python-httpcore

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 6.0

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

Severity
critical
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Critical

Announcement ID: SUSE-SU-2025:20331-1
Release Date: May 20, 2025, 8:51 a.m.
Rating: critical

Topics%20covered

Topics Covered

security advisory critical SUSE python-h11 malformed encoding python-httpcore

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