UBUNTU-CVE-2018-20456

See a problem?
Please try reporting it to the source first.

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

CVE-2018-20456

Published

2018-12-25T19:29:00Z

Modified

2025-07-16T08:22:44.461096Z

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

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

Ubuntu:24.04:LTS / radare2

Package

Name: radare2
Purl: pkg:deb/ubuntu/radare2@5.5.0+dfsg-1ubuntu1?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.5.0+dfsg-1ubuntu1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libradare2-5.0.0",
            "binary_version": "5.5.0+dfsg-1ubuntu1"
        },
        {
            "binary_name": "libradare2-5.0.0-dbgsym",
            "binary_version": "5.5.0+dfsg-1ubuntu1"
        },
        {
            "binary_name": "libradare2-common",
            "binary_version": "5.5.0+dfsg-1ubuntu1"
        },
        {
            "binary_name": "libradare2-dev",
            "binary_version": "5.5.0+dfsg-1ubuntu1"
        },
        {
            "binary_name": "radare2",
            "binary_version": "5.5.0+dfsg-1ubuntu1"
        },
        {
            "binary_name": "radare2-dbgsym",
            "binary_version": "5.5.0+dfsg-1ubuntu1"
        }
    ]
}