CVE-2023-42319

Name: CVE-2023-42319
Creator: NVD / NIST
Published: 2023-10-18T06:15:07.893+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.89%

Last modified Jun 17, 2026

CVE-2023-42319 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Geth (aka go-ethereum) through 1.13.4, when --http --graphql is used, allows remote attackers to cause a denial of service (memory consumption and daemon hang) via a crafted GraphQL query. NOTE: the vendor's position is that the "graphql endpoint [is not] designed to withstand attacks by hostile clients, nor handle huge amounts of clients/traffic.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

Description

Geth (aka go-ethereum) through 1.13.4, when --http --graphql is used, allows remote attackers to cause a denial of service (memory consumption and daemon hang) via a crafted GraphQL query. NOTE: the vendor's position is that the "graphql endpoint [is not] designed to withstand attacks by hostile clients, nor handle huge amounts of clients/traffic.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.89%

54.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Ethereum	Go Ethereum	<= 1.13.4

References

https://blog.mevsec.com/posts/geth-dos-with-graphql/Exploit
https://geth.ethereum.org/docs/fundamentals/securityVendor Advisory
https://blog.mevsec.com/posts/geth-dos-with-graphql/Exploit
https://geth.ethereum.org/docs/fundamentals/securityVendor Advisory

Timeline

Published: Oct 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-42319?

How severe is CVE-2023-42319?

CVE-2023-42319 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.

How do I fix CVE-2023-42319?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-42319?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST