MGASA-2021-0453

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    MGASA-2021-0453

    Published: 2 Oct 2021Last Modified: 16 Apr 2026
    Upstream:
    CVE-2021-3672

    Summary: Updated c-ares packages fix security vulnerability

    Details: Missing input validation on hostnames returned by DNS servers. (CVE-2021-3672)

    References: https://advisories.mageia.org/MGASA-2021-0453.html, https://bugs.mageia.org/show_bug.cgi?id=29350, https://c-ares.haxx.se/adv_20210810.html, https://www.debian.org/security/2021/dsa-4954, https://ubuntu.com/security/notices/USN-5034-1, https://lists.opensuse.org/archives/list/[email protected]/thread/4F2ZKNNMGENSNMAS5CDHA3CDDRAXF3AQ/, https://lists.fedoraproject.org/archives/list/[email protected]/thread/KPERAVSVZ542L4S6OA2QPUXNAJ4F2M5X/

    Affected packages

    Package

    Name: c-ares

    Purl: pkg:rpm/mageia/c-ares?arch=source&distro=mageia-8

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.17.1-1.1.mga8

    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
    MGASA-2021-0453 | CVE-DB