CLSA-2021-1638804058

    Dashboard / Vulnerabilities / CLSA-2021-1638804058

    CLSA-2021-1638804058

    Published: 6 Dec 2021Last Modified: 4 Jun 2026

    Summary: Fix CVE(s): CVE-2021-42379, CVE-2021-42378, CVE-2021-42380, CVE-2021-42381, CVE-2021-42382, CVE-2021-42383, CVE-2021-42384, CVE-2021-42385, CVE-2021-42386

    Details: * SECURITY UPDATE: use-after-free in concat op - debian/patches/CVE-awk-use-after-free.patch: second reference to a field reallocs/moves Fields[] array, but first ref still tries to use the element where it was before move. - CVE-2021-42378 - CVE-2021-42379 - CVE-2021-42380 - CVE-2021-42381 - CVE-2021-42382 - CVE-2021-42383 - CVE-2021-42384 - CVE-2021-42385 - CVE-2021-42386 - debian/patches/CVE-awk-printf-buffer-overflow.patch: printf buffer overflow. - No CVE assigned (but mentioned by upstream maintainer as important at http://lists.busybox.net/pipermail/busybox/2021-November/089328.html).

    References: https://errata.cloudlinux.com/ubuntu16_04/CLSA-2021-1638804058

    Affected packages

    Package

    Name: busybox

    Purl: pkg:deb/tuxcare/busybox?distro=ubuntu-16.04

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:1.22.0-15ubuntu1.4+tuxcare.els2

    Affected versions

    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
    CLSA-2021-1638804058 | CVE-DB