Audit Report (MessageLib)

PaladinCode version: not recorded (see the report)

Paladin reviewed LayerZero (Audit Report (MessageLib)) on 15 Dec 2023: 29 findings, 0 critical; 17 marked fixed, 10 acknowledged, 2 open.

No open critical findings
Open the reportOpen LayerZero’s security record
Report stored on IPFS. Content hash QmPAo6b9mtLg8s2qa5eHjYfAj4AP4CTZeiLbAtMLty9YnH

Trustblock does not review code.

Findings29

Statuses are the security firm’s own, from its report.

SeverityOpenAcknowledgedFixed
Critical000
High001
Medium131
Low1715
MediumConfigurational mismatch can cause messages to never get deliveredAcknowledged

The report gives no description here.

MediumDecentralization flaw: Contract owner can fully brick all outbound messages of all applications using the library by setting a bad treasury or layerZeroTokenAcknowledged

The report gives no description here.

MediumVerifier options might get assigned to wrong verifiers if the verifier list is re-configured while messages are in-flightAcknowledged

The report gives no description here.

LowAvailability flaw: A single optional verifier can brick all sending for an application, even if it is not a mandatory verifierAcknowledged

The report gives no description here.

LowGas optimizationAcknowledged

The report gives no description here.

LowLack of on-chain incentive for executionAcknowledged

The report gives no description here.

LowMessage lib lacks direct on-chain incentive for executors and verifiers to actually do their part, as the fee is collected at the source chain when a transaction is sent outAcknowledged

The report gives no description here.

LowTypographical issueAcknowledged

The report gives no description here.

LowTypographical issuesAcknowledged

The report gives no description here.

LowTypographical issuesAcknowledged

The report gives no description here.

Contracts in scope

No deployed address is recorded for this audit.

The report names a repository or files. Open the report to see its scope.

Part of LayerZero’s security record

LayerZero
Audits21 audits by 7 firmsLast audit May 2025, by Zellic.
Critical findingsNo open critical findingsAcross the 21 reports, 2 critical findings were reported. Each is marked fixed by the firm that reported it.
Open LayerZero’s security record

Security firm

Paladin

176 projects reviewed · 241 reports · latest Apr 2025

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