Babylon's malformed vote extensions are not rejected
Priority LOW 38CWE-770Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-770.
Summary
### Summary Adversarial validators can send large vote extensions by using non-existing protobuf tags. This will result in the rejection of the subsequent block proposal. Eventually, all block proposals will be rejected by all validators. ### Impact A small group of adversarial validators can cause a chain halt.
Why it matters now
Fix Fixed github.com/babylonlabs-io/babylon/v4 (Go): 4.1.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | github.com/babylonlabs-io/babylon/v4 (Go) | before 4.1.0 | 4.1.0 | Patch available | GHSA-2fcv-qww3-9v6h |
- github.com/babylonlabs-io/babylon/v4 (Go) Vendor— Affected before 4.1.0 Fixed in 4.1.0 Patch available GHSA-2fcv-qww3-9v6h
Remediation
- Fix · GHSA-2fcv-qww3-9v6h github.com/babylonlabs-io/babylon/v4 (Go) Fixed in 4.1.0 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-2fcv-qww3-9v6h
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences