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CVE-2020-37286

Vyper from 0.1.0b4 before 0.3.0 contains a memory corruption vulnerability caused by an incorrect…

Risk score
43/100
CVSS
6.5 v3.1
Exploit chance (30 days)
0.3%
Published
21 Oct 2026

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What to know

What it is
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 appear inside tuples or nested calls. Contracts using such calls as tuple elements, call arguments, or builtin arguments like concat or ecrecover can return corrupted values …
Affected
See advisory
Fix
Upgrade the product to 0.3.0 or later.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 6.5 medium

References

Original description

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 appear inside tuples or nested calls. Contracts using such calls as tuple elements, call arguments, or builtin arguments like concat or ecrecover can return corrupted values or pass wrong arguments to external calls.

Last activity 21 Oct 2026. Patch Forecast updates every hour.