UBUNTU-CVE-2021-3402

    Dashboard / Vulnerabilities / UBUNTU-CVE-2021-3402

    UBUNTU-CVE-2021-3402

    Published: 14 May 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-3402
    Aliases:
    USN-8080-1

    Summary:

    Details: An integer overflow and several buffer overflow reads in libyara/modules/macho/macho.c in YARA v4.0.3 and earlier could allow an attacker to either cause denial of service or information disclosure via a malicious Mach-O file. Affects all versions before libyara 4.0.4

    References: https://ubuntu.com/security/CVE-2021-3402, https://www.openwall.com/lists/oss-security/2021/01/29/2, https://www.x41-dsec.de/lab/advisories/x41-2021-001-yara/, https://www.cve.org/CVERecord?id=CVE-2021-3402, https://ubuntu.com/security/notices/USN-8080-1

    Affected packages

    Package

    Name: yara

    Purl: pkg:deb/ubuntu/[email protected]~esm1?arch=source&distro=esm-apps/focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.9.0-1ubuntu0.1~esm1

    Affected versions

    3.9.0-1

    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-2021-3402 | CVE-DB