CVE-2021-27419

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    CVE-2021-27419

    Published: 3 May 2022Last Modified: 9 Jul 2026

    Summary:

    Details: uClibc-ng versions prior to 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

    References: https://downloads.uclibc-ng.org/releases/, https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -ab1dd83bec59c9e65c31efd6e887182948f627be

    Affected versions

    v1.0.36
    v1.0.35
    v1.0.34
    v1.0.33
    v1.0.32
    v1.0.31
    v1.0.30
    v1.0.29
    v1.0.28
    v1.0.27
    v1.0.26
    v1.0.25
    v1.0.24
    v1.0.23
    v1.0.22
    v1.0.21
    v1.0.20
    v1.0.19
    v1.0.18
    v1.0.17
    v1.0.16
    v1.0.15
    v1.0.14
    v1.0.13
    v1.0.12
    v1.0.11
    v1.0.10
    v1.0.9
    v1.0.8
    v1.0.7
    v1.0.6
    v1.0.5
    v1.0.4
    v1.0.2
    v1.0.1
    v1.0.0

    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-2021-27419 | CVE-DB