ALSA-2021:4153

    Dashboard / Vulnerabilities / ALSA-2021:4153

    ALSA-2021:4153

    Published: 9 Nov 2021Last Modified: 4 Feb 2026
    Aliases:
    CVE-2021-3448

    Summary: Moderate: dnsmasq security and bug fix update

    Details: The dnsmasq packages contain Dnsmasq, a lightweight DNS (Domain Name Server) forwarder and DHCP (Dynamic Host Configuration Protocol) server. Security Fix(es): * dnsmasq: fixed outgoing port used when --server is used with an interface name (CVE-2021-3448) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

    References: https://vulners.com/cve/CVE-2021-3448

    Affected packages

    Package

    Name: dnsmasq

    Purl: pkg:rpm/almalinux/dnsmasq

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.79-19.el8

    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
    ALSA-2021:4153 | CVE-DB