CVE-2026-44034

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{"bugzilla": {"description": "dcmtk: dcmtk: Information disclosure via crafted RLE DICOM file", "id": "2547950", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2547950"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in DCMTK. A heap-based out-of-bounds read vulnerability occurs in the frame decoding routine due to missing length validation on image data fragments. By enticing a user or application to process a specially crafted Run-Length Encoded (RLE) DICOM file, an attacker could trigger an out-of-bounds memory read, leading to information disclosure of adjacent heap memory or causing an application crash that results in a Denial of Service (DoS)."], "name": "CVE-2026-44034", "public_date": "2026-10-08T12:55:09Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-44034\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-44034\nhttps://github.com/DCMTK/dcmtk/commit/45469f3c30037e9c7159290e4bb74cd7b3b9ef1d\nhttps://support.dcmtk.org/redmine/issues/1213"], "statement": "This vulnerability is rated as Moderate impact because exploitation requires a user or application to process an untrusted medical image file, limiting the outcome to bounded heap memory disclosure or a process crash rather than arbitrary code execution. Standard command-line utilities within the package avoid the defective code path, which is primarily exposed to custom applications that perform frame-by-frame RLE decoding. Furthermore, DCMTK is not included in core Red Hat Enterprise Linux releases and is maintained only in community repositories.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.7.0"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "DCMTK", "source": "cna", "vendor": "OFFIS"}, "product": "dcmtk", "vendor": "offis"}], "created": "2026-10-08T14:30:18.414757+00:00", "updated": "2026-10-08T14:45:17.493464+00:00", "vendors": ["offis", "offis$PRODUCT$dcmtk"]}