CVE-2024-26149
Vyper's `_abi_decode` vulnerable to Memory Overflow
3.7
LOW
CVSS 3.1
EPSS 0.59%
Description
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.
How to fix CVE-2024-26149
To remediate CVE-2024-26149, upgrade the affected package to a fixed version below.
- —upgrade to 0.4.0 or later
- —upgrade to 0.4.0b1 or later
Is CVE-2024-26149 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.4.0
- from 0, < 0.4.0b1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |