openSUSE Python-Tornado6 Important HTTP Request Smuggling Fix 2026-4403

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This update for python-tornado6 fixes the following issues:

* CVE-2023-54397: Tornado before 6.3.3 contains an HTTP request smuggling

vulnerability due to improper parsing of Content-Length headers accepting

non-standard characters. At (bsc#1280689).

* CVE-2024-58384: CRLF injection in CurlAsyncHTTPClient headers (bsc#1281059).

* CVE-2026-91990: splitting of multipart data before validation of the

`max_parts` limit allows for resource exhaustion and a denial of service

* CVE-2026-91991: incomplete fix for cookie attribute injection allows for

cookie validation bypass via semicolon- delimited data in capitalized

parameters (bsc#1281440).

## 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 Enterprise Server for SAP Applications 15 SP4

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-4403

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-4403

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-4403

zypper in -t patch SUSE-2026-4403

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-4403

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-4403

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-4403

* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)

* python311-tornado6-debuginfo-6.3.2-150400.9.27.1

* python311-tornado6-6.3.2-150400.9.27.1

* python-tornado6-debugsource-6.3.2-150400.9.27.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64

* python311-tornado6-debuginfo-6.3.2-150400.9.27.1

* python311-tornado6-6.3.2-150400.9.27.1

* python-tornado6-debugsource-6.3.2-150400.9.27.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64

* python311-tornado6-debuginfo-6.3.2-150400.9.27.1

* python311-tornado6-6.3.2-150400.9.27.1

* python-tornado6-debugsource-6.3.2-150400.9.27.1

* openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)

* python311-tornado6-debuginfo-6.3.2-150400.9.27.1

* python311-tornado6-6.3.2-150400.9.27.1

* python-tornado6-debugsource-6.3.2-150400.9.27.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)

* python311-tornado6-debuginfo-6.3.2-150400.9.27.1

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