ethereum/go-ethereum · Security
Go Ethereum affected by DoS via malicious p2p message
- GHSA ID
- GHSA-2gjw-fg97-vg3r
- CVE ID
- CVE-2026-26314
- Severity
- high
- Published
- Updated
- CVSS v4
- 8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Description
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
CWEs
- CWE-20 · Improper Input Validation
References
- 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 ↗
- https://github.com/advisories/GHSA-2gjw-fg97-vg3r ↗