CVE-2021-28903

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    CVE-2021-28903

    Published: 20 May 2021Last Modified: 7 Aug 2026

    Summary:

    Details: A stack overflow in libyang <= v1.0.225 can cause a denial of service through function lyxml_parse_mem(). lyxml_parse_elem() function will be called recursively, which will consume stack space and lead to crash.

    References: https://security.gentoo.org/glsa/202107-54, https://github.com/CESNET/libyang/issues/1453

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v1.0.225
    v1.0.167
    v1.0.130
    v1.0.109

    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-2021-28903 | CVE-DB