DEBIAN-CVE-2021-1252

    Dashboard / Vulnerabilities / DEBIAN-CVE-2021-1252

    DEBIAN-CVE-2021-1252

    Published: 8 Apr 2021Last Modified: 1 Sept 2026
    Upstream:
    CVE-2021-1252

    Summary:

    Details: A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.

    References: https://security-tracker.debian.org/tracker/CVE-2021-1252

    Affected packages

    Package

    Name: clamav

    Purl: pkg:deb/debian/clamav?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.103.2+dfsg-1

    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
    DEBIAN-CVE-2021-1252 | CVE-DB