braces@1.8.5 vulnerabilities

Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.

Direct Vulnerabilities

Known vulnerabilities in the braces package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • L
Regular Expression Denial of Service (ReDoS)

braces is a Bash-like brace expansion, implemented in JavaScript.

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS). It used a regular expression (^\{(,+(?:(\{,+\})*),*|,*(?:(\{,+\})*),+)\}) in order to detects empty braces. This can cause an impact of about 10 seconds matching time for data 50K characters long.

How to fix Regular Expression Denial of Service (ReDoS)?

Upgrade braces to version 2.3.1 or higher.

<2.3.1