ethers@5.4.2 vulnerabilities

A complete and compact Ethereum library, for dapps, wallets and any other tools.

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

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Vulnerability Vulnerable Version

Vulnerability	Vulnerable Version
H Regular Expression Denial of Service (ReDoS) ethers is an A complete Ethereum wallet implementation and utilities in JavaScript (and TypeScript). Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) via the `parseFixed` function. PoC `import { parseFixed } from '@ethersproject/bignumber' console.log(parseFixed('0.' + '0'.repeat(8e6) + '1')) // hangs` How to fix Regular Expression Denial of Service (ReDoS)? Upgrade `ethers` to version 5.4.7 or higher.	>=5.2.0 <5.4.7

ethers is an A complete Ethereum wallet implementation and utilities in JavaScript (and TypeScript).

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) via the parseFixed function.

import { parseFixed } from '@ethersproject/bignumber'

console.log(parseFixed('0.' + '0'.repeat(8e6) + '1')) // hangs

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

Upgrade ethers to version 5.4.7 or higher.

>=5.2.0 <5.4.7