CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NCVE-2024-26149
Medium (5.3) in vyperlang vyper. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in vyper 0.4.0, 0.4.0b1.
Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. If an excessively large value is specified as the starting index for an array in `_abi_decode`, it can cause the read position to overflow. This results in the decoding of values outside the intended array bounds, potentially leading to exploitations in contracts that use arrays within `_abi_decode`. This vulnerability affects 0.3.10 and earlier versions.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)
- CWE
- CWE-119
- Published
- Modified
- Record from
- the NVD, synced
Affected
- vyperlang:vyper
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-9p8r-4xp4-gw5w | PyPI | vyper | <0.4.0 | 0.4.0 |
| PYSEC-2024-164 | PyPI | vyper | <0.4.0b1 | 0.4.0b1 |