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Rack's unbounded multipart preamble buffering enables DoS (memory exhaustion)

๐Ÿ—“๏ธย 07 Oct 2025ย 17:26:16Reported byย GitHub Advisory DatabaseTypeย 
github
ย github
๐Ÿ”—ย github.com๐Ÿ‘ย 18ย Views

Rack buffers the entire multipart preamble without a limit, risking memory exhaustion.

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Detection
Refs
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Node
OR
rack_projectrackRange3.2โ€“3.2.2rubygems
rack_projectrackRange3.1โ€“3.1.17rubygems
rack_projectrackRange<2.2.19rubygems

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13 Oct 2025 15:29Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.17.5
EPSS0.0093
SSVC
18