UBUNTU-CVE-2020-27794

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Source
https://ubuntu.com/security/CVE-2020-27794
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27794.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-27794
Upstream
Published
2022-08-19T23:15:00Z
Modified
2025-12-09T07:53:48.924243Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A double free issue was discovered in radare2 in cmdinfo.c:cmdinfo(). Successful exploitation could lead to modification of unexpected memory locations and potentially causing a crash.

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/2020/UBUNTU-CVE-2020-27794.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/2020/UBUNTU-CVE-2020-27794.json"