SUSE 12 Python-Tornado Important Denial of Service Fix 2026-0623-1
suse
February 25, 2026
An update that solves two vulnerabilities can now be installed.
Summary
## 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
Topics Covered
References
* bsc#1254904
* bsc#1254905
Cross-
* CVE-2025-67725
* CVE-2025-67726
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
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Severity
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Announcement ID: SUSE-SU-2026:0623-1
Release Date: 2026-02-25T09:15:13Z
Rating: important
Topics Covered
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