CVE-2026-104427
MEDIUM
NVD
CVSS Score
5.9
Severity
MEDIUM
Published
Oct 02, 2026
Vendor
unknown
Description
Zebra before 6.1.0 contains an incomplete cleanup vulnerability in the state write task that allows remote unauthenticated peers to stall node synchronization by poisoning parent_error_map. Attackers can deliver a coinbase-malleated block sharing a canonical block's hash before it propagates, causing the next canonical block to be rejected and stalling the node for roughly 2,000 blocks.