High severity · published Jul 7, 2023
CVE-2021-32494
Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function
7.5
CVSS
0.8%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RA
Radare2 · Radare
5.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32494
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32494
Patch
https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62
Exploit
https://github.com/radareorg/radare2/issues/18667
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