What’s Vulnerable › Vulnerabilities

CVE-2021-32494

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-07-07 · updated 2026-06-17
• Weakness: CWE-369

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

• radareorg/radare2: 5.3.0

References

• https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62
• https://github.com/radareorg/radare2/issues/18667
• https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62
• https://github.com/radareorg/radare2/issues/18667

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