Description
Vyper is a pythonic smart contract language for the EVM. The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable. This issue was fixed in version 0.3.8.
Scores
CVSS v3
7.5
EPSS
0.0021
EPSS Percentile
43.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-789
Status
published
Products (2)
pypi/vyper
0 - 0.3.8PyPI
vyperlang/vyper
< 0.3.8
Published
May 08, 2023
Tracked Since
Feb 18, 2026