Description
A security flaw has been discovered in radareorg radare2 up to 6.1.6. This impacts the function r_str_word_get0set of the file libr/util/str.c. The manipulation results in integer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is identified as 11ac224c0eb8d57830fccc99e1c1cd8e5d958813. It is best practice to apply a patch to resolve this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| radareorg | radare2 | 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6 | — |
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 | — |
References
- VDB-376375 | radareorg radare2 str.c r_str_word_get0set integer overflow vdb-entry technical-description
- VDB-376375 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-14786 | CVE Analysis and Report third-party-advisory
- Submit #850386 | radareorg radare2 6.1.6 Integer Overflow third-party-advisory
- https://github.com/radareorg/radare2/issues/26047 exploit issue-tracking
- https://github.com/radareorg/radare2/commit/11ac224c0eb8d57830fccc99e1c1cd8e5d958813 patch
- https://github.com/radareorg/radare2/ product