CLSA-2021-1639681852

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    CLSA-2021-1639681852

    Published: 16 Dec 2021Last Modified: 4 Jun 2026

    Summary: Fix CVE(s): CVE-2021-3872, CVE-2021-3875, CVE-2021-3903

    Details: * SECURITY UPDATE: illegal memory access if buffer name is very long - debian/patches/CVE-2021-3872.patch: make sure not to go over the end of the buffer in screen.c - CVE-2021-3872 * SECURITY UPDATE: ml_get error after search with range - debian/patches/CVE-2021-3875.patch: limit the line number to the buffer line count in ex_docmd.c - CVE-2021-3875 * SECURITY UPDATE: invalid memory access when scrolling without a valid screen - debian/patches/CVE-2021-3903.patch: do not set VALID_BOTLINE in w_valid in move.c - CVE-2021-3903

    References: https://errata.cloudlinux.com/ubuntu16_04/CLSA-2021-1639681852

    Affected packages

    Package

    Name: vim

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:7.4.1689-3ubuntu1.7

    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-2021-1639681852 | CVE-DB