Go Ethereum affected by DoS via malicious p2p message
Go Ethereum affected by DoS via malicious p2p message. A vulnerable node can be forced to shutdown/crash using a specially crafted message. More details to be released later. The problem is resolved in the v1.16.9 and v1.
Vuln-watch · relayed from the GitHub Advisory Database; see Source & attribution below
Summary
A vulnerable node can be forced to shutdown/crash using a specially crafted message. More details to be released later. The problem is resolved in the v1.16.9 and v1.
Affected
- github.com/ethereum/go-ethereum (go) <= 1.16.8 — fixed in 1.16.9
Severity
High (CVSS 8.7), as rated by the upstream advisory.
Recommended actions
- Upgrade github.com/ethereum/go-ethereum to 1.16.9 or later
Source & attribution
This 0xCERT advisory summarises GHSA-2gjw-fg97-vg3r / CVE-2026-26314 from the GitHub Advisory Database: https://github.com/advisories/GHSA-2gjw-fg97-vg3r. Details may change; refer to the original source for the authoritative record.
References
- https://github.com/advisories/GHSA-2gjw-fg97-vg3r
- CVE-2026-26314
- https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r
- https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60
- https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9
- https://nvd.nist.gov/vuln/detail/CVE-2026-26314
- https://pkg.go.dev/vuln/GO-2026-4507
OpenPGP-signed. The signed text of this advisory verifies against the 0xCERT key CCC7 D9EC 9415 723D.
Published 2026-02-18 · last updated 2026-10-08
curl -s https://www.0xcert.com/pgp.asc | gpg --import && curl -s https://www.0xcert.com/advisory/0xCERT-2026-0220/signed.txt | gpg --verify