CVE-2021-32494

Public Exploit

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.

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.19%
Vendor Advisory github.com Vendor Advisory github.com
Affected: radare2 radare2
Published at:
Updated at:

References

Link Tags
https://github.com/radareorg/radare2/issues/18667 patch exploit vendor advisory issue tracking
https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-32494?
CVE-2021-32494 has been scored as a critical severity vulnerability.
How to fix CVE-2021-32494?
To fix CVE-2021-32494, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32494 being actively exploited in the wild?
It is possible that CVE-2021-32494 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32494?
CVE-2021-32494 affects radare2 radare2.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.