CVE-2023-31146 is a critical vulnerability affecting Vyper, a Pythonic smart contract language for the Ethereum virtual machine, specifically in versions prior to 0.3.8. It involves an out-of-bounds array access during code generation when a dynamic array is used on both sides of an assignment, leading to potential data corruption across call frames. With a CVSS score of 9.1 (CRITICAL), this vulnerability has a network attack vector, low attack complexity, and can result in high impact to integrity and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.3.8CPE matchmatch criteria | cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.