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8.8
CVE-2022-0523: Use After Free in radare2 Prior to Version 5.6.2
CVE-2022-0523 · published 4 years ago
Summary
The radare2 software has a bug that can cause it to use memory after it has been freed, potentially leading to crashes or security issues. This affects older versions of radare2, so if you're using version 5.6.2 or later, you're safe. If you're using an older version, it's recommended to update to the latest version to fix this issue.
What to do
- Update radare radare2 to version 5.6.2 or later.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| – | radare | radare2 |
< 5.6.2 cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:* |
| – | fedoraproject | fedora |
35 36 cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |
| Ubuntu:16.04:LTS | canonical | radare2 | All versions |
Original advisory text
Use After Free in radareorg/radare2
Use After Free in GitHub repository radareorg/radare2 prior to 5.6.2.
References
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0523.j... Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-0523 Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro... Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro... Vendor Advisory
- https://github.com/radareorg/radare2/commit/35482cb760db10f87a62569e2f8872dbd95e... Patch
- https://huntr.dev/bounties/9d8d6ae0-fe00-40b9-ae1e-b0e8103bac69 URL
- https://ubuntu.com/security/CVE-2022-0523 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2022-0523 Third Party Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Type
CWE-416Use After Free
Timeline
Published8 Feb 2022
Updated4 Nov 2026
First seen22 Jul 2026
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