CVE catalog

CVE-2020-27795

UBUNTU-

[CVE catalog]

A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command "adf" has no or wrong argument, anal_fcn_data (core, input + 1) --> RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).

Severity
High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
Updated
Source
[NVD] · [CVE record]
EPSS
1.51% · Oct 27, 2026

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / releasePackageVersionStatusSource
Ubuntuproradare21.6.0+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare22.0.0+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare22.1.0+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare22.3.0+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare22.3.0+dfsg-2UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare22.3.0+dfsg-2ubuntu0.1~esm1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare23.2.1+dfsg-5build1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare24.0.0+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare24.2.1+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare24.2.1+dfsg-2UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare24.2.1+dfsg-2ubuntu0.1~esm1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntu16.04radare20.9.6-3.1ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Provider details and historical evidence
Distribution / releasePackageVersionStatusSource
Ubuntu16.04radare20.9.6-3.1ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare21.6.0+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare22.0.0+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare22.1.0+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare22.3.0+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare22.3.0+dfsg-2UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare22.3.0+dfsg-2ubuntu0.1~esm1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare23.2.1+dfsg-5build1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare24.0.0+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare24.2.1+dfsg-1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare24.2.1+dfsg-2UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Ubuntuproradare24.2.1+dfsg-2ubuntu0.1~esm1UnknownSource applicability is not established[UBUNTU-CVE-2020-27795]
Original provider fields
{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "radare2",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "16.04",
      "versions": [
        "0.9.6-3.1ubuntu1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-27795",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-27795",
      "provider_updated_at": "2026-04-22T12:38:19.946145Z",
      "applicability_unknown": true
    },
    {
      "name": "radare2",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "1.6.0+dfsg-1",
        "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": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-27795",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-27795",
      "provider_updated_at": "2026-04-22T12:38:19.946145Z",
      "applicability_unknown": true
    },
    {
      "name": "radare2",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "3.2.1+dfsg-5build1",
        "4.0.0+dfsg-1",
        "4.2.1+dfsg-1",
        "4.2.1+dfsg-2",
        "4.2.1+dfsg-2ubuntu0.1~esm1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-27795",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-27795",
      "provider_updated_at": "2026-04-22T12:38:19.946145Z",
      "applicability_unknown": true
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

Observed:

References

[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]