What’s Vulnerable › Vulnerabilities

CVE-2021-32495

• Severity: critical (CVSS 9.1 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: none known
• Published: 2023-07-07 · updated 2026-06-17
• Weakness: CWE-416

Description

Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to cause denial of service.

Affected products

• radareorg/radare2: 5.3.0

References

• https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05
• https://github.com/radareorg/radare2/issues/18666
• https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05
• https://github.com/radareorg/radare2/issues/18666

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