UBUNTU-CVE-2018-20456

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Source
https://ubuntu.com/security/CVE-2018-20456
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20456.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-20456
Upstream
Published
2018-12-25T19:29:00Z
Modified
2025-09-08T16:45:06Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asmx86nz.c may allow attackers to cause a denial of service (application crash in libr/util/strbuf.c via a stack-based buffer over-read) by crafting an input file, a related issue to CVE-2018-20455.

References

Affected packages

Ubuntu:Pro:16.04:LTS / radare2

Package

Name
radare2
Purl
pkg:deb/ubuntu/radare2@0.9.6-3.1ubuntu1?arch=source&distro=esm-apps/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"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / radare2

Package

Name
radare2
Purl
pkg:deb/ubuntu/radare2@2.3.0+dfsg-2?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

Ecosystem specific 

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