CVE-2023-40591 json
Denial of service via malicious p2p message in go-ethereum
published 2023-09-06 3 y ago modified 2026-09-10 1 mo ago also GHSA-ppjg-v974-84cm , GO-2023-2046 , EUVD-2023-2566
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- go github.com/ethereum/go-ethereum 1.12.1, 1.12.1-stable
- ethereum go_ethereum 1.12.1-stable
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.12% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/ethereum/go-ethereum | <1.12.1-stable <1.12.1 |
1.12.1-stable 1.12.1 |
Affected products
- ethereum go-ethereum
- ethereum go_ethereum
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
github.com
/ethereum/go-ethereum/security/advisories/GHSA-ppjg-v974-84cm
web, third-party-advisory, advisory
-
geth.ethereum.org
/docs/developers/geth-developer/disclosures
web, product
-
github.com
/ethereum/go-ethereum/releases/tag/v1.12.1
web, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2023-40591
advisory
-
github.com
/ethereum/go-ethereum
package
Sources
- CVE List CVE-2023-40591
- GitHub Advisory GHSA-ppjg-v974-84cm
- NVD CVE-2023-40591
- OSV GO-2023-2046
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.