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tornado: Tornado Quadratic DoS via Crafted Multipart Parameters

🗓️ 21 Jan 2026 15:59:50Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 9 Views

Tornado DoS from quadratic parameter parsing in multipart headers, causing server unresponsiveness.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10aarch64pcs0.10.18-2.el8_10.8pcs-0.10.18-2.el8_10.8.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lepcs0.10.18-2.el8_10.8pcs-0.10.18-2.el8_10.8.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xpcs0.10.18-2.el8_10.8pcs-0.10.18-2.el8_10.8.s390x.rpm
Red Hat Enterprise Linux8.10x86_64pcs0.10.18-2.el8_10.8pcs-0.10.18-2.el8_10.8.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64pcs-snmp0.10.18-2.el8_10.8pcs-snmp-0.10.18-2.el8_10.8.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lepcs-snmp0.10.18-2.el8_10.8pcs-snmp-0.10.18-2.el8_10.8.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xpcs-snmp0.10.18-2.el8_10.8pcs-snmp-0.10.18-2.el8_10.8.s390x.rpm
Red Hat Enterprise Linux8.10x86_64pcs-snmp0.10.18-2.el8_10.8pcs-snmp-0.10.18-2.el8_10.8.x86_64.rpm

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11 Jul 2026 20:10Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00378
SSVC
CWE-1333
Tornado frameworkquadratic parsingparameter parsingmultipart form dataContent-Disposition headerdenial of service
9