PT-2026-120161 · Vyperlang · Vyper
CVE-2021-48020
·
Published
2026-10-21
·
Updated
2026-10-21
CVSS v3.1
6.5
Medium
| Vector | AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L |
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.
Fix
Memory Corruption
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Weakness Enumeration
Related Identifiers
Affected Products
Vyper