CVE-2020-19860

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    CVE-2020-19860

    Published: 21 Jan 2022Last Modified: 20 Oct 2026

    Summary:

    Details: When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal function has a heap out of bounds read vulnerability. An attacker can leak information on the heap by constructing a zone file payload.

    References: https://github.com/NLnetLabs/ldns/issues/50, https://github.com/NLnetLabs/ldns/commit/15d96206996bea969fbc918eb0a4a346f514b9f3

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 53bc57512c19b11eebc403a4cb2bbf7295eb0db1
    Fixed -None

    Affected versions

    1.7.1

    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
    CVE-2020-19860 | CVE-DB