CVE-2025-5646

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Source
https://nvd.nist.gov/vuln/detail/CVE-2025-5646
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-5646.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-5646
Downstream
Published
2025-06-05T08:15:21.197Z
Modified
2025-11-16T07:47:14.976248Z
Severity
  • 2.5 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

A vulnerability has been found in Radare2 5.9.9 and classified as problematic. This vulnerability affects the function rconsrainbow_free in the library /libr/cons/pal.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 appears 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 patch is identified as 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". A new warning has been added.

Database specific 
{
    "isDisputed": true
}
References

Affected packages

Git / github.com/radareorg/radare2

Affected ranges

Type
GIT
Repo
https://github.com/radareorg/radare2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
5705d99cc1f23f36f9a84aab26d1724010b97798

Affected versions

0.*

0.10.0
0.10.1
0.10.2
0.10.3
0.10.4
0.10.4-termux4
0.10.5
0.10.6
0.8.6
0.8.8
0.9
0.9.2
0.9.4
0.9.6
0.9.7
0.9.8
0.9.8-rc1
0.9.8-rc2
0.9.8-rc3
0.9.8-rc4
0.9.9

1.*

1.0
1.0.0
1.0.1
1.0.2
1.1.0
1.2.0
1.2.0-git
1.3.0
1.3.0-git
1.4.0
1.5.0
1.6.0

2.*

2.0.0
2.0.1
2.1.0
2.2.0
2.4.0
2.5.0
2.6.0
2.6.9
2.7.0
2.8.0
2.9.0

3.*

3.0.0
3.0.1
3.1.0
3.1.1
3.1.2
3.1.3
3.2.0
3.2.1
3.3.0
3.4.0
3.4.1
3.5.0
3.5.1
3.6.0
3.7.0
3.7.1
3.8.0
3.9.0

4.*

4.0.0
4.1.0
4.1.1
4.2.0
4.2.1
4.3.0
4.3.1
4.4.0
4.5.1

5.*

5.0.0
5.1.0
5.1.1
5.2.0
5.2.1
5.3.0
5.3.1
5.4.0
5.4.0-git
5.4.2
5.5.0
5.5.2
5.5.4
5.6.0
5.6.2
5.6.4
5.6.6
5.6.8
5.7.0
5.7.2
5.7.4
5.7.6
5.7.8
5.8.0
5.8.2
5.8.4
5.8.6
5.8.8
5.9.0
5.9.2
5.9.4
5.9.6
5.9.8

Other

Continuous-Windows
continuous
radare2-windows-nightly
termux
wip

release-5.*

release-5.0.0

Database specific

vanir_signatures

[
    {
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2025-5646-2e0a0021",
        "signature_type": "Line",
        "digest": {
            "line_hashes": [
                "315217981652975484632688515563097758155",
                "273016403615934750232080897054403758235",
                "24636638152783460383799487857379182095",
                "331317380777232111413761312318836663735"
            ],
            "threshold": 0.9
        },
        "target": {
            "file": "libr/main/radiff2.c"
        },
        "source": "https://github.com/radareorg/radare2/commit/5705d99cc1f23f36f9a84aab26d1724010b97798"
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2025-5646-e34d3af1",
        "signature_type": "Function",
        "digest": {
            "length": 10864.0,
            "function_hash": "189756227628799419410382739272202840051"
        },
        "target": {
            "function": "r_main_radiff2",
            "file": "libr/main/radiff2.c"
        },
        "source": "https://github.com/radareorg/radare2/commit/5705d99cc1f23f36f9a84aab26d1724010b97798"
    }
]