CVE-2023-40591

moderate-risk
Published 2023-09-06

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. A vulnerable node, can be made to consume unbounded amounts of memory when handling specially crafted p2p messages sent from an attacker node. The fix is included in geth version `1.12.1-stable`, i.e, `1.12.2-unstable` and onwards. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Do I need to act?

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0.32% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Ethereum

References (6)

Product https://geth.ethereum.org/docs/developers/geth-developer/disclosures
Release Notes https://github.com/ethereum/go-ethereum/releases/tag/v1.12.1
Third Party Advisory https://github.com/ethereum/go-ethereum/security/advisories/GHSA-ppjg-v974-84cm
Product https://geth.ethereum.org/docs/developers/geth-developer/disclosures
Release Notes https://github.com/ethereum/go-ethereum/releases/tag/v1.12.1
Third Party Advisory https://github.com/ethereum/go-ethereum/security/advisories/GHSA-ppjg-v974-84cm
32
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal