CVE-2026-104427

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 parenterrormap. Attackers can deliver a coinbase-malleated block sharing a canonical block's hash before it propagates, causi...

CVE-2026-104427 Zebra before 6.1.0 Chain Stall via Stale parent_error_map Entry

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 parenterrormap. Attackers can deliver a coinbase-malleated block sharing a canonical block's hash before it propagates, causi...

CVE-2026-104427 Zebra before 6.1.0 Chain Stall via Stale parent_error_map Entry

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 parenterrormap. Attackers can deliver a coinbase-malleated block sharing a canonical block's hash before it propagates, causi...

CVE-2026-104427

Zebra versions before 6.1.0 are vulnerable to an incomplete cleanup vulnerability within the state write task . This flaw allows remote unauthenticated peers to stall node synchronization by poisoning the parent_error_map . Specifically, an attacker can deliver a coinbase-malleated block that sha...

CVE-2026-104427 Zebra before 6.1.0 Chain Stall via Stale parent_error_map Entry

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 parenterrormap. Attackers can deliver a coinbase-malleated block sharing a canonical block's hash before it propagates, causi...

CVE-2026-104427: Incomplete Cleanup

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 parenterrormap. Attackers can deliver a coinbase-malleated block sharing a canonical block's hash before it propagates, causi...

PT-2026-104238

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,...

GHSA-22QQ-3XWM-R5X4 CometBFT allows a malicious peer to make node stuck in blocksync

Name: ASA-2025-001: Malicious peer can disrupt node's ability to sync via blocksync Component: CometBFT OUTDATED Criticality: Medium Considerable Impact; Possible Likelihood per ACMv1.2 Update of Criticality on 2026-03-06: We've made a mistake and over-rated the criticality of this bug in our...