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    CVE-2026-3408

    A vulnerability was identified in Open Babel up to 3.1.1. This impacts the function OBAtom::GetExplicitValence of the file isrc/atom.cpp of the component CDXML File Handler. Such manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit is publicly available and might be used. The name of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is best practice to apply a patch to resolve this issue.

    Published:Mar 2, 2026
    Last Modified:Apr 17, 2026
    EPS:Mar 2, 2026
    EPSS Score:0.00097
    CVSS Score:4.3

    Affected Products

    Vendor
    Openbabel
    Product
    Open Babel

    Exploits

    https://github.com/openbabel/openbabel/issues/2848

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    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