DEBIAN-CVE-2020-14354

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    DEBIAN-CVE-2020-14354

    Published: 13 May 2021Last Modified: 11 Sept 2026
    Upstream:
    CVE-2020-14354

    Summary:

    Details: A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.

    References: https://security-tracker.debian.org/tracker/CVE-2020-14354

    Affected packages

    Package

    Name: c-ares

    Purl: pkg:deb/debian/c-ares?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.16.1-1

    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-2020-14354 | CVE-DB