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High 7.5
path-to-regexp vulnerable to Denial of Service via sequential optional groups
Impact: A bad regular expression is generated any time you have multiple sequential optional groups (curly brace syntax), such as `{a}{b}{c}:z`. The generated regex grows exponentially with the number of groups, causing denial of service. Patches: Fixed in ve…
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High 7.7
path-to-regexp Unpatched `path-to-regexp` ReDoS in 0.1.x
path-to-regexp turns path strings into a regular expressions. In certain cases, path-to-regexp will output a regular expression that can be exploited to cause poor performance. The regular expression that is vulnerable to backtracking can be generated in the …
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High 7.5
path-to-regexp outputs backtracking regular expressions
path-to-regexp turns path strings into a regular expressions. In certain cases, path-to-regexp will output a regular expression that can be exploited to cause poor performance. Because JavaScript is single threaded and regex matching runs on the main thread, …