CVE-2024-38533: Matter-Labs Era-Compiler-Vyper

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

ZKsync Era is a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. There is possible invalid stack access due to the addresses used to access the stack not properly being converted to cells. This issue has been patched in version 1.5.0.

Affected products

• Matter-Labs Era-Compiler-Vyper: before 1.5.0 (fixed in 1.5.0)

Published 2024-06-28. Last modified 2026-06-17.