What’s Vulnerable › Vulnerabilities

CVE-2022-0523: Use After Free in radareorg/radare2

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-08 · updated 2026-06-17
• Weakness: CWE-416

Description

Use After Free in GitHub repository radareorg/radare2 prior to 5.6.2.

Affected products

• Fedoraproject Fedora: 35, 36
• radareorg/radare2: before 5.6.2 — fixed in 5.6.2

How to fix

Upgrade to a fixed version: radareorg/radare2 5.6.2. Check the vendor advisory for mitigations.

References

• https://github.com/radareorg/radare2/commit/35482cb760db10f87a62569e2f8872dbd95e9269
• https://huntr.dev/bounties/9d8d6ae0-fe00-40b9-ae1e-b0e8103bac69
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZTIMAS53YT66FUS4QHQAFRJOBMUFG6D/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6YBRQ3UCFWJVSOYIKPVUDASZ544TFND/
• https://github.com/radareorg/radare2/commit/35482cb760db10f87a62569e2f8872dbd95e9269
• https://huntr.dev/bounties/9d8d6ae0-fe00-40b9-ae1e-b0e8103bac69
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZTIMAS53YT66FUS4QHQAFRJOBMUFG6D/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6YBRQ3UCFWJVSOYIKPVUDASZ544TFND/

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