Go Ethereum affected by crash via malicious p2p message in github.com/ethereum/go-ethereum
Go Ethereum affected by crash via malicious p2p message in github.com/ethereum/go-ethereum
02 / AFFECTED SOFTWARE
Affected packages
177 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.16.9, a vulnerable node can be forced to shutdown/crash using a specially crafted message. The problem is resolved in the v1.16.9 and v1.17.0 releases of Geth.
### Impact A vulnerable node can be forced to shutdown/crash using a specially crafted message. More details to be released later. ### Patches The problem is resolved in the v1.16.9 and v1.17.0 releases of Geth. ### Credit This issue was reported to the Ethereum Foundation Bug Bounty Program by Waleed Ahmed from vulsight.com
Go Ethereum affected by crash via malicious p2p message in github.com/ethereum/go-ethereum
05 / REFERENCES
Further evidence
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26314.json
- https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60
- https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9
- https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r
- https://nvd.nist.gov/vuln/detail/CVE-2026-26314
- https://github.com/ethereum/go-ethereum
- https://pkg.go.dev/vuln/GO-2026-4507