What’s Vulnerable › Vulnerabilities

CVE-2022-0518: Heap-based Buffer Overflow in radareorg/radare2

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-08 · updated 2026-06-17
• Weakness: CWE-122

Description

Heap-based Buffer Overflow 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/9650e3c352f675687bf6c6f65ff2c4a3d0e288fa
• https://huntr.dev/bounties/10051adf-7ddc-4042-8fd0-8e9e0c5b1184
• 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/9650e3c352f675687bf6c6f65ff2c4a3d0e288fa
• https://huntr.dev/bounties/10051adf-7ddc-4042-8fd0-8e9e0c5b1184
• 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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