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rack: Rack's multipart parser buffers large non‑file fields entirely in memory, enabling DoS (memory exhaustion)

🗓️ 11 Nov 2025 19:52:06Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Rack::Multipart::Parser buffers non-file fields in memory with no limits, enabling denial of service from oversized form fields.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.1noarchcockpit-ha-cluster0.12.1-1.el10_1.1cockpit-ha-cluster-0.12.1-1.el10_1.1.noarch.rpm
Red Hat Enterprise Linux10.1aarch64pcs0.12.1-1.el10_1.1pcs-0.12.1-1.el10_1.1.aarch64.rpm
Red Hat Enterprise Linux10.1ppc64lepcs0.12.1-1.el10_1.1pcs-0.12.1-1.el10_1.1.ppc64le.rpm
Red Hat Enterprise Linux10.1s390xpcs0.12.1-1.el10_1.1pcs-0.12.1-1.el10_1.1.s390x.rpm
Red Hat Enterprise Linux10.1x86_64pcs0.12.1-1.el10_1.1pcs-0.12.1-1.el10_1.1.x86_64.rpm
Red Hat Enterprise Linux10.1aarch64pcs-snmp0.12.1-1.el10_1.1pcs-snmp-0.12.1-1.el10_1.1.aarch64.rpm
Red Hat Enterprise Linux10.1ppc64lepcs-snmp0.12.1-1.el10_1.1pcs-snmp-0.12.1-1.el10_1.1.ppc64le.rpm
Red Hat Enterprise Linux10.1s390xpcs-snmp0.12.1-1.el10_1.1pcs-snmp-0.12.1-1.el10_1.1.s390x.rpm
Red Hat Enterprise Linux10.1x86_64pcs-snmp0.12.1-1.el10_1.1pcs-snmp-0.12.1-1.el10_1.1.x86_64.rpm

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11 Jul 2026 20:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.17.5
EPSS0.00528
SSVC
5