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    CVE-2022-2121

    OFFIS DCMTK's (All versions prior to 3.6.7) has a NULL pointer dereference vulnerability while processing DICOM files, which may result in a denial-of-service condition.

    Published:Jun 24, 2022
    Last Modified:Nov 3, 2025
    EPS:Jun 24, 2022
    EPSS Score:0.00067
    CVSS Score:7.5

    Affected Products

    Vendor
    Offis
    Product
    Dcmtk

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-12805 (CVSS 2.1) — A flaw has been found in OFFIS DCMTK up to 3.7.0. The affected element is the function XMLNode::parseFile in t…
    CVE-2026-10194 (CVSS 5.3) — A weakness has been identified in OFFIS DCMTK 3.7.0. This affects the function DcmQueryRetrieveIndexDatabaseHa…
    CVE-2026-5663 (CVSS 6.9) — A security flaw has been discovered in OFFIS DCMTK up to 3.7.0. This impacts the function executeOnReception/e…
    CVE-2025-14841 (CVSS 1.9) — A flaw has been found in OFFIS DCMTK up to 3.6.9. The impacted element is the function DcmQueryRetrieveIndexDa…
    CVE-2025-14607 (CVSS 5.3) — A vulnerability was detected in OFFIS DCMTK up to 3.6.9. Affected by this issue is the function DcmByteString:…
    CVE-2022-4981 (CVSS 1.9) — A vulnerability was detected in DCMTK up to 3.6.7. The impacted element is the function DcmQueryRetrieveConfig…
    CVE-2020-36855 (CVSS 1.9) — A security vulnerability has been detected in DCMTK up to 3.6.5. The affected element is the function parseQuo…
    CVE-2025-9732 (CVSS 4.8) — A vulnerability was identified in DCMTK up to 3.6.9. This affects an unknown function in the library dcmimage/…
    CVE-2025-2357 (CVSS 5.3) — A vulnerability was found in DCMTK 3.6.9. It has been declared as critical. This vulnerability affects unknown…
    CVE-2025-25474 (CVSS 6.5) — DCMTK v3.6.9+ DEV was discovered to contain a buffer overflow via the component /dcmimgle/diinpxt.h.…

    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