CVE-2023-40591 is a high-severity denial-of-service vulnerability affecting go-ethereum (geth) nodes, specifically versions prior to 1.12.1-stable. An unauthenticated attacker can exploit this by sending specially crafted p2p messages, causing the vulnerable node to consume unbounded amounts of memory and crash. The CVSS score is 7.5, indicating a high impact on availability with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.10.0, < 1.12.1CPE matchmatch criteria | cpe:2.3:a:ethereum:go_ethereum:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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