Security update for python-tornado

Announcement ID: SUSE-SU-2026:0623-1
Release Date: 2026-02-25T09:15:13Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2025-67725 ( 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-2025-67725 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-67725 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-67726 ( 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-2025-67726 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-67726 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise Desktop 12
  • SUSE Linux Enterprise Desktop 12 SP1
  • SUSE Linux Enterprise Desktop 12 SP2
  • SUSE Linux Enterprise Desktop 12 SP3
  • SUSE Linux Enterprise Desktop 12 SP4
  • SUSE Linux Enterprise High Performance Computing 12 SP2
  • SUSE Linux Enterprise High Performance Computing 12 SP3
  • SUSE Linux Enterprise High Performance Computing 12 SP4
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12
  • SUSE Linux Enterprise Server 12 SP1
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server 12 SP3
  • SUSE Linux Enterprise Server 12 SP4
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12
  • SUSE Linux Enterprise Server for SAP Applications 12 SP1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • SUSE Linux Enterprise Server for the Raspberry Pi 12-SP2
  • SUSE Manager Client Tools for SLE 12

An update that solves two vulnerabilities can now be installed.

Description:

This update for python-tornado fixes the following issues:

  • CVE-2025-67725: inefficient algorithm when parsing parameters for HTTP header values (bsc#1254905).
  • CVE-2025-67726: Denial of Service (DoS) via maliciously crafted HTTP request caused by the HTTPHeaders.add method (bsc#1254904).

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 Manager Client Tools for SLE 12
    zypper in -t patch SUSE-SLE-Manager-Tools-12-2026-623=1

Package List:

  • SUSE Manager Client Tools for SLE 12 (aarch64 ppc64le s390x x86_64)
    • python-tornado-4.2.1-17.13.1
    • python3-tornado-4.2.1-17.13.1
    • python-tornado-debuginfo-4.2.1-17.13.1
    • python-tornado-debugsource-4.2.1-17.13.1

References: