CVE-2020-27795

    Dashboard / Vulnerabilities / CVE-2020-27795

    CVE-2020-27795

    Published: 19 Aug 2022Last Modified: 7 Aug 2026

    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://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22, https://github.com/radareorg/radare2/issues/16215, https://github.com/radareorg/radare2/pull/16230

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -9ea0b7ce566cfdcfb3513f407c4056915204294a

    Affected versions

    4.3.1
    4.3.0

    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
    CVE-2020-27795 | CVE-DB