SUSE python-tornado Important Multiple Vulnerabilities 2026-4404

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## This update for python-tornado 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 (bsc#1281439). * 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".

## This update for python-tornado 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 (bsc#1281439). * 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".

* CVE-2023-54397 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N

* CVE-2023-54397 ( NVD ): 9.0

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2023-54397 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N

* CVE-2024-58384 ( SUSE ): 6.3

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

* CVE-2024-58384 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

* CVE-2024-58384 ( NVD ): 6.3

Announcement ID: SUSE-SU-2026:4404-1 Release Date: 2026-09-30T11:54:13Z Rating: important

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