CVE-2021-27421

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    CVE-2021-27421

    Published: 3 May 2022Last Modified: 27 Aug 2026

    Summary:

    Details: NXP MCUXpresso SDK versions prior to 2.8.2 are vulnerable to integer overflow in SDK_Malloc function, which could allow to access memory locations outside the bounds of a specified array, leading to unexpected behavior such segmentation fault when assigning a particular block of memory from the heap via malloc.

    References: https://mcuxpresso.nxp.com/en/welcome, https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -8abe276c392f547120c595134497153cc6b95919

    Affected versions

    MCUX_2.10.0

    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-2021-27421 | CVE-DB