CVE-2021-48020 — Vyper before 0.3.0 Memory Corruption via Internal Function Calls in Arrays
Vyper from 0.1.0b4 before 0.3.0 contains a memory corruption vulnerability caused by an incorrect stack tip pointer when internal function calls are performed inside arrays. Con…
Published: 2026-10-21 · CVSS: 8.3 · CVSS 4.0
Vyper from 0.1.0b4 before 0.3.0 contains a memory corruption vulnerability caused by an incorrect stack tip pointer when internal function calls are performed inside arrays. Contracts placing internal calls in nested array elements, external call arguments, struct literals, or raw_log topics can have memory corrupted, producing incorrect contract behavior.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7