CVE-2021-4021

    Dashboard / Vulnerabilities / CVE-2021-4021

    CVE-2021-4021

    Published: 24 Feb 2022Last Modified: 7 Aug 2026

    Summary:

    Details: A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS.

    References: https://github.com/radareorg/radare2/issues/19436

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    5.5.0

    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-2021-4021 | CVE-DB