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CVE-2026-114115Vyper 0.3.8 through 0.5.0b1 Memory Misread via Ternary Nested Array Selection
Descripción
Vyper 0.3.8 through 0.5.0b1 contains a compiler miscompilation vulnerability in parse_IfExp that reads nested arrays with narrower inner bounds using the wider result type's memory layout. When a ternary selects the narrower array, inner arrays after the first are read at wrong offsets, causing contracts to silently store corrupted values or revert.
Debilidad (CWE):
CWE-843
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
Referencias y parches
- GitHub Security Advisory (GHSA-cw3h-xwxq-8cx2) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: Vyper 0.3.8 through 0.5.0b1 Memory Misread via Ternary Nested Array Selection third-party-advisory