UBUNTU-CVE-2021-3770

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    UBUNTU-CVE-2021-3770

    Published: 6 Sept 2021Last Modified: 4 Feb 2026
    Upstream:
    CVE-2021-3770
    Aliases:
    USN-5093-1

    Summary:

    Details: vim is vulnerable to Heap-based Buffer Overflow

    References: https://ubuntu.com/security/CVE-2021-3770, https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8ce-6eed10729365/, https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9, https://github.com/vim/vim/commit/2ddb89f8a94425cda1e5491efc80c1ccccb6e08e, https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8ce-6eed10729365, https://lists.fedoraproject.org/archives/list/[email protected]/message/J2CJLY3CF55I2ULG2X4ENXLSXAXYW5J4/, https://ubuntu.com/security/notices/USN-5093-1, https://www.cve.org/CVERecord?id=CVE-2021-3770

    Affected packages

    Package

    Name: vim

    Purl: pkg:deb/ubuntu/vim@2:8.1.2269-1ubuntu5.3?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:8.1.2269-1ubuntu5.3

    Affected versions

    2:8.1.0875-5ubuntu2
    2:8.1.0875-5ubuntu3
    2:8.1.0875-5ubuntu4
    2:8.1.2269-1ubuntu1
    2:8.1.2269-1ubuntu4
    2:8.1.2269-1ubuntu5

    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
    UBUNTU-CVE-2021-3770 | CVE-DB