Security update for python-h11, python-httpcore

Announcement ID: SUSE-SU-2025:20330-1
Release Date: May 20, 2025, 8:39 a.m.
Rating: critical
References:
Cross-References:
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.

Description:

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
    • python311-httpcore-0.16.3-slfo.1.1_2.1

References: