gchq/CyberChef

bug(To Base): Uncaught BigNumber Error when radix is a float

Closed

#2,487 opened on Jun 4, 2026

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 (0 comments) (0 reactions) (0 assignees)JavaScript (3,944 forks)batch import
bughelp wanted

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Description

To reproduce that, drag To Base and set radix to by example 2.2 and then input 63

as you can see

To Base - Error in blob:https://gchq.github.io/6f74fac3-9abf-4e1f-84df-bcf3c062a64c on line 2.<br><br>Message: [BigNumber Error] Base not an integer: 2.2

an unhandled BigNumber Error

Tests URLs:

Contributor guide

Research direction
Inspect the To Base operation code to locate where the radix value is passed to the BigNumber constructor. Add input validation to ensure the radix is an integer before creating the BigNumber instance. Optionally, check other operations for similar issues.
Tech stack
javascript
Domain
frontend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
1
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitJavaScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
80