UBUNTU-CVE-2025-5646

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Source
https://ubuntu.com/security/CVE-2025-5646
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-5646.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2025-5646
Upstream
Published
2025-06-05T08:15:00Z
Modified
2026-01-20T19:43:14.472610Z
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
  • 2.0 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
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.

References

Affected packages

Ubuntu:16.04:LTS / radare2

Package

Name
radare2
Purl
pkg:deb/ubuntu/radare2@0.9.6-3.1ubuntu1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.9.6-3.1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.6-3.1ubuntu1",
            "binary_name": "libradare2-0.9.6"
        },
        {
            "binary_version": "0.9.6-3.1ubuntu1",
            "binary_name": "libradare2-common"
        },
        {
            "binary_version": "0.9.6-3.1ubuntu1",
            "binary_name": "libradare2-dev"
        },
        {
            "binary_version": "0.9.6-3.1ubuntu1",
            "binary_name": "radare2"
        },
        {
            "binary_version": "0.9.6-3.1ubuntu1",
            "binary_name": "radare2-plugins"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-5646.json"

Ubuntu:Pro:18.04:LTS / radare2

Package

Name
radare2
Purl
pkg:deb/ubuntu/radare2@2.3.0+dfsg-2ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.6.0+dfsg-1
2.*
2.0.0+dfsg-1
2.1.0+dfsg-1
2.3.0+dfsg-1
2.3.0+dfsg-2
2.3.0+dfsg-2ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.3.0+dfsg-2ubuntu0.1~esm1",
            "binary_name": "libradare2-2.3"
        },
        {
            "binary_version": "2.3.0+dfsg-2ubuntu0.1~esm1",
            "binary_name": "libradare2-common"
        },
        {
            "binary_version": "2.3.0+dfsg-2ubuntu0.1~esm1",
            "binary_name": "libradare2-dev"
        },
        {
            "binary_version": "2.3.0+dfsg-2ubuntu0.1~esm1",
            "binary_name": "radare2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-5646.json"

Ubuntu:Pro:20.04:LTS / radare2

Package

Name
radare2
Purl
pkg:deb/ubuntu/radare2@4.2.1+dfsg-2ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.2.1+dfsg-5build1
4.*
4.0.0+dfsg-1
4.2.1+dfsg-1
4.2.1+dfsg-2
4.2.1+dfsg-2ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.2.1+dfsg-2ubuntu0.1~esm1",
            "binary_name": "libradare2-4.2.1"
        },
        {
            "binary_version": "4.2.1+dfsg-2ubuntu0.1~esm1",
            "binary_name": "libradare2-common"
        },
        {
            "binary_version": "4.2.1+dfsg-2ubuntu0.1~esm1",
            "binary_name": "libradare2-dev"
        },
        {
            "binary_version": "4.2.1+dfsg-2ubuntu0.1~esm1",
            "binary_name": "radare2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-5646.json"

Ubuntu:Pro:24.04:LTS / radare2

Package

Name
radare2
Purl
pkg:deb/ubuntu/radare2@5.5.0+dfsg-1.1ubuntu3+esm1?arch=source&distro=esm-apps/noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*
5.5.0+dfsg-1ubuntu1
5.5.0+dfsg-1.1ubuntu2
5.5.0+dfsg-1.1ubuntu3
5.5.0+dfsg-1.1ubuntu3+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.5.0+dfsg-1.1ubuntu3+esm1",
            "binary_name": "libradare2-5.0.0t64"
        },
        {
            "binary_version": "5.5.0+dfsg-1.1ubuntu3+esm1",
            "binary_name": "libradare2-common"
        },
        {
            "binary_version": "5.5.0+dfsg-1.1ubuntu3+esm1",
            "binary_name": "libradare2-dev"
        },
        {
            "binary_version": "5.5.0+dfsg-1.1ubuntu3+esm1",
            "binary_name": "radare2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-5646.json"

Ubuntu:25.10 / radare2

Package

Name
radare2
Purl
pkg:deb/ubuntu/radare2@5.9.8+dfsg-2ubuntu0.25.10.2?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*
5.9.8+dfsg-2
5.9.8+dfsg-2ubuntu0.25.10.1
5.9.8+dfsg-2ubuntu0.25.10.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.9.8+dfsg-2ubuntu0.25.10.2",
            "binary_name": "libradare2-5.0.0t64"
        },
        {
            "binary_version": "5.9.8+dfsg-2ubuntu0.25.10.2",
            "binary_name": "libradare2-common"
        },
        {
            "binary_version": "5.9.8+dfsg-2ubuntu0.25.10.2",
            "binary_name": "libradare2-dev"
        },
        {
            "binary_version": "5.9.8+dfsg-2ubuntu0.25.10.2",
            "binary_name": "radare2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-5646.json"