Is CVE-2021-32494 actively exploited?

CVE-2021-32494 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-32494?

CVE-2021-32494 has a CVSS score of 10 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

How do I patch CVE-2021-32494?

Patch guidance is available from radare security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-32494.

Fix CVE-2021-32494 - CRITICAL radare radare2

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-369 CWE-369

Metadata

Primary Vendor: RADARE
Published: 7/7/2023
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

radare : radare2

Remediation Guidance

Executive Summary

Cite this page

CVE-2021-32494. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2021-32494

View on NIST NVD

CVE-2021-32494 vulnerability