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CVE-2026-33169: Ruby Rails Number To Delimited Redoscve-2026-33169-ruby-rails-number-to-delimited-redos

Algorithmic complexity vulnerability (ReDoS) due to lookahead-heavy regex repeatedly evaluated via `gsub!`. The `NumberToDelimitedConverter` uses `gsub!` with a lookahead-based regular expression (`delimiter_pattern`) across the entire string without constraints, causing O(N^2) complexity on long digit strings. Ensure string manipulations on large untrusted

RubyCVE-2026-33169CWE-1333
by Provallyupdated 2026-06-23Apache-2.0
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