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    CVE-2026-57434

    Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri contains a bug when calling certain methods on allocated-but-uninitialized native wrapper classes that inherit from Nokogiri::XML::Node. This caused a NULL pointer dereference that could crash the process. This vulnerability is fixed in 1.19.4.

    Published:Jun 25, 2026
    Last Modified:Jun 26, 2026
    EPS:Jun 25, 2026
    EPSS Score:
    CVSS Score:1.7

    Affected Products

    Vendor
    Sparklemotion
    Product
    Nokogiri

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2022-51000 (CVSS 8.8) — This CVE ID has been rejected as a duplicate.…
    CVE-2021-47996 (CVSS 7.5) — This CVE ID has been rejected as a duplicate.…
    CVE-2022-50998 (CVSS 7.5) — This CVE ID has been rejected as a duplicate.…
    CVE-2026-57438 (CVSS 2.2) — Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, XInclude s…
    CVE-2026-57437 (CVSS 1.7) — Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::…
    CVE-2026-57436 (CVSS 1.7) — Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::…

    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