MEDIUM5.9

PYSEC-2026-806

Regular expression denial of service in eth-account

Quick fix

PYSEC-2026-806 — eth-account: upgrade to the fixed version with the command below.

pip install --upgrade 'eth-account>=0.5.9'

Details

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the eth-account PyPI package, when an attacker is able to supply arbitrary input to the encode_structured_data method

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/eth-account

Introduced in: 0Fixed in: 0.5.9

Fixpip install --upgrade 'eth-account>=0.5.9'

References

https://nvd.nist.gov/vuln/detail/CVE-2022-1930[ADVISORY]
https://github.com/ethereum/eth-account/commit/70f89be700df0d5f08ef696252c88741f8414060[WEB]
https://github.com/ethereum/eth-account[PACKAGE]
https://research.jfrog.com/vulnerabilities/eth-account-redos-xray-248681[WEB]
https://pypi.org/project/eth-account[PACKAGE]
https://github.com/advisories/GHSA-v65g-f3cj-fjp4[ADVISORY]