SecuriTricks - CVE-2025-26622

Description

vyper is a Pythonic Smart Contract Language for the EVM. Vyper `sqrt()` builtin uses the babylonian method to calculate square roots of decimals. Unfortunately, improper handling of the oscillating final states may lead to sqrt incorrectly returning rounded up results. This issue is being addressed and a fix is expected in version 0.4.1. Users are advised to upgrade as soon as the patched release is available. There are no known workarounds for this vulnerability.

Product(s) Impacted

Product	Versions
Vyper	['0.4.1 and below']

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-682

Incorrect Calculation

The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.

References

https://github.com/vyperlang/vyper/pull/4486

https://github.com/vyperlang/vyper/security/advisories/GHSA-2p94-8669-xg86

CVSS Score

7.5 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: HIGH
Availability Impact: NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

View Vector String

Timeline

Published: Feb. 21, 2025, 10:15 p.m.
Last Modified: Feb. 22, 2025, 4:15 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security-advisories@github.com

CVE-2025-26622