Description
A vulnerability was found in Radare2 5.9.9. It has been rated as problematic. This issue affects the function r_cons_is_breaked in the library /libr/cons/cons.c of the component radiff2. The manipulation of the argument -T leads to memory corruption. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The identifier of the patch is 5705d99cc1f23f36f9a84aab26d1724010b97798. It is recommended to apply a patch to fix this issue. The documentation explains that the parameter -T is experimental and "crashy". Further analysis has shown "the race is not a real problem unless you use asan". An additional warning regarding threading support has been added.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Radare2 | 5.9.9 | — |
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 | 5.9.8-3.1 | openSUSE-SU-2025:15292-1 |
Advisories 1
- openSUSE-SU-2025:15292-1 radare2-5.9.8-3.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
References
- VDB-311129 | Radare2 radiff2 cons.c r_cons_is_breaked memory corruption vdb-entry technical-description
- VDB-311129 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #586909 | radare2 radiff2 5.9.9 and master branch Memory corruption third-party-advisory
- https://github.com/radareorg/radare2/issues/24230 issue-tracking
- https://github.com/radareorg/radare2/issues/24230#issuecomment-2919612676 issue-tracking
- https://drive.google.com/file/d/1oG5IC7qhL_SJsIHpnWp7MZlWJGYt8qWZ/view?usp=sharing exploit
- https://github.com/radareorg/radare2/commit/5705d99cc1f23f36f9a84aab26d1724010b97798 patch