---
id: 1611
title: "Numbers turned weapons: DoS in Osmosis’ math library"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2023/10/23/numbers-turned-weapons-dos-in-osmosis-math-library/"
published_at: "2023-10-23T18:27:31Z"
tags: ["smart-contracts", "denial-of-service", "vulnerability-disclosure", "blockchain", "blockchain-security", "dos", "gas", "osmosis", "cosmos"]
phying_url: "https://phying.com/item/1611"
lang: en
---

# Numbers turned weapons: DoS in Osmosis’ math library

## Summary

Trail of Bits discloses a DoS in Osmosis' math library: an unbounded Taylor-series loop in PowApprox lets crafted transactions burn seconds of compute for little gas, enough to halt the chain.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2023-10-23T18:27:31Z
- **Original:** https://blog.trailofbits.com/2023/10/23/numbers-turned-weapons-dos-in-osmosis-math-library/
- **Phying News:** https://phying.com/item/1611