UBUNTU-CVE-2020-27795

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    UBUNTU-CVE-2020-27795

    Published: 19 Aug 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2020-27795

    Summary:

    Details: 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).

    References: https://ubuntu.com/security/CVE-2020-27795, https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22, https://github.com/radareorg/radare2/issues/16215, https://github.com/radareorg/radare2/pull/16230, https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22, https://www.cve.org/CVERecord?id=CVE-2020-27795

    Affected packages

    Package

    Name: radare2

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.9.6-3.1ubuntu1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2020-27795 | CVE-DB