VVE-2021-0001: Memory corruption using function calls within arrays
Priority LOW 38CWE-129Published · Updated
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub.
Summary
### Impact When performing a function call inside an array, there is a memory corruption issue that occurs because of an incorrect pointer to the the tip of the stack. ### Patches This issue was partially fixed in [VVE-2020-0004](https://github.com/vyperlang/vyper/security/advisories/GHSA-2r3x-4mrv-mcxf), however the fix did not update similar code for arrays, which had a similar issue. The issue is fully fixed in https://github.com/vyperlang/vyper/pull/2345
Why it matters now
Fix Fixed vyper (PyPI): 0.2.12
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | vyper (PyPI) | before 0.2.12 | 0.2.12 | Patch available | GHSA-22wc-c9wj-6q2v |
- vyper (PyPI) Vendor— Affected before 0.2.12 Fixed in 0.2.12 Patch available GHSA-22wc-c9wj-6q2v
Remediation
- Fix · GHSA-22wc-c9wj-6q2v vyper (PyPI) Fixed in 0.2.12 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-22wc-c9wj-6q2v
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences