In short
- CVE-2026-26313 is a HIGH (CVSS 7.5) vulnerability affecting github.com/ethereum/go-ethereum, go ethereum (ethereum).
- Chance of exploitation in the next 30 days (EPSS): 0.65%, higher than 51.2% of all vulnerabilities.
- Fix: update to 1.17.0 or later.
Description
Impact
An attacker can cause high memory usage by sending a specially-crafted p2p message.
More details to be released later.
Patches
The issue is resolved in the v1.17.0 release.
Credit
This issue was reported to the Ethereum Foundation Bug Bounty Program by @revofusion
NVD description
go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.17.0, an attacker can cause high memory usage by sending a specially-crafted p2p message. The issue is resolved in the v1.17.0 release.
More vulnerabilities in github.com/ethereum/go-ethereum
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