Incorrect Calculation Affecting vyper package, versions [0,]
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-PYTHON-VYPER-8743938
- published23 Feb 2025
- disclosed21 Feb 2025
- creditUnknown
Introduced: 21 Feb 2025
NewCVE-2025-26622 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
A fix was pushed into the master branch but not yet published.
Overview
vyper is a Pythonic Smart Contract Language for the EVM.
Affected versions of this package are vulnerable to Incorrect Calculation due to the sqrt function. An attacker can manipulate the output to cause incorrect rounding results by providing specific input values that cause the function to oscillate between two close values.
PoC
def test():
d: decimal = 0.9999999998
r: decimal = sqrt(d) #this will be 0.9999999999