Out-of-bounds Read in Vyperlang Vyper
CVE-2024-24564
Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in `extract32(b, start)`, if the `start` index provided has for side effect to update `b`, the byte array to extract `32` bytes from, it could be that some dirty memory is read and returned by `extract32`. This vulnerability is fixed in 0.4.0.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (44.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Vyperlang Vyper — versions < 0.4.0
Weakness classification (CWE)
References
- github.com/vyperlang/vyper/security/advisories/GHSA-4hwq-4cpm-8vmx (Exploit, Vendor Advisory)
- github.com/vyperlang/vyper/commit/3d9c537142fb99b2672f21e2057f5f202cde194f (Patch)
Frequently asked questions
- What is CVE-2024-24564?
- CVE-2024-24564 is a low-severity vulnerability in Vyperlang Vyper, classified under Out-of-bounds Read. CVSS score: 3.7/10. Published 2024-02-26.
- How severe is CVE-2024-24564?
- Low severity. CVSS v3 base score is 3.7 out of 10.