What’s Vulnerable › Vulnerabilities
CVE-2022-0521: Access of Memory Location After End of Buffer 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-788
Description
Access of Memory Location After End of Buffer 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/6c4428f018d385fc80a33ecddcb37becea685dd5
- https://huntr.dev/bounties/4d436311-bbf1-45a3-8774-bdb666d7f7ca
- 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/6c4428f018d385fc80a33ecddcb37becea685dd5
- https://huntr.dev/bounties/4d436311-bbf1-45a3-8774-bdb666d7f7ca
- 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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