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CVE-2021-32495

10.0 · CRITICAL

Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function.

Published Jul 7, 2023CWE-416EPSS 0.77%

Overview

CVE-2021-32495 is a critical-severity vulnerability. It was published on July 7, 2023 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05GitHubgithub.com/radareorg/radare2/issues/18666GitHubgithub.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05GitHubgithub.com/radareorg/radare2/issues/18666

How CyberStrike helps

Frequently asked questions

What is CVE-2021-32495?

CVE-2021-32495 is a critical-severity vulnerability. It was published on July 7, 2023 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2021-32495?

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-32495?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-32495?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-32495 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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