# CVE-2021-32494

## Summary

- **CVE ID:** CVE-2021-32494
- **Severity:** CRITICAL
- **CVSS Score:** 10 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
- **CWE:** CWE-369
- **Published:** Jul 7, 2023
- **Last Modified:** Mar 13, 2026

## Description

Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function. This allow attackers to create malicious inputs that can cause denial of service.

## Affected Products

- radare2 — radare2 (5.3.0-git 26142)

## References

- [CNA](https://github.com/radareorg/radare2/issues/18667)
- [CNA](https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.19%
- **EPSS Percentile:** 41.0

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._