Description
Improper Validation of Array Index in GitHub repository radareorg/radare2 prior to 5.6.8. This vulnerability is heap overflow and may be exploitable. For more general description of heap buffer overflow, see [CWE](https://cwe.mitre.org/data/definitions/122.html).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| radareorg | radareorg/radare2 | unspecified – < 5.6.8 | 5.6.8 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | radare2 | No fix yet | — |
| Ubuntu 26.04 LTS | radare2 | No fix yet | — |
| Ubuntu 25.10 | radare2 | No fix yet | — |
| Ubuntu 16.04 LTS | radare2 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | radare2 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | radare2 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | radare2 | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | radare2 | 5.7.0-1.1 | openSUSE-SU-2024:12173-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | radare2 | 5.6.8-r0 | — |
| Alpine v3.23 | radare2 | 5.6.8-r0 | — |
| Alpine v3.22 | radare2 | 5.6.8-r0 | — |
| Alpine v3.21 | radare2 | 5.6.8-r0 | — |
| Alpine v3.20 | radare2 | 5.6.8-r0 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | radare2 | 5.6.8-r0 | — |
| Alpine v3.18 | radare2 | 5.6.8-r0 | — |
Advisories 1
- openSUSE-SU-2024:12173-1 radare2-5.7.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026