CVE-2020-26800

MEDIUM

Aleth Ethereum C++ <1.8.0 - Buffer Overflow

Title source: llm
STIX 2.1

Description

A stack overflow vulnerability in Aleth Ethereum C++ client version <= 1.8.0 using a specially crafted a config.json file may result in a denial of service.

References (3)

Core 3
Core References
Third Party Advisory x_refsource_misc
https://github.com/ethereum/aleth
Vendor Advisory x_refsource_misc
https://ethereum.org/en/about/
Exploit, Third Party Advisory x_refsource_misc
https://github.com/ethereum/aleth/issues/5917

Scores

CVSS v3 5.5
EPSS 0.0120
EPSS Percentile 64.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-787
Status published
Products (1)
ethereum/aleth < 1.8.0
Published Jan 11, 2021
Tracked Since Feb 18, 2026