CVE-2021-43668

Published: Nov 18, 2021Modified: Jun 17, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

Go-Ethereum 1.10.9 nodes crash (denial of service) after receiving a serial of messages and cannot be recovered. They will crash with "runtime error: invalid memory address or nil pointer dereference" and arise a SEGV signal.

Affected (1)

Products: Ethereum: Go Ethereum

Ethereum

1 product

Go Ethereum

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Ethereum Go Ethereum	Version 1.10.9

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (2)

https://github.com/ethereum/go-ethereum/issues/23866

Source: cve@mitre.org

Third Party Advisory

https://github.com/ethereum/go-ethereum/issues/23866

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.