CVE-2025-26622sqrt doesn't define rounding behavior in Vyper

Descripción

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.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• https://github.com/vyperlang/vyper/security/advisories/GHSA-2p94-8669-xg86 Vendor Advisory
• https://github.com/vyperlang/vyper/pull/4486 Issue TrackingPatch