{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44038", "assignerOrgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "state": "PUBLISHED", "assignerShortName": "securin", "dateReserved": "2026-05-05T02:49:00.667Z", "datePublished": "2026-10-08T12:55:13.689Z", "dateUpdated": "2026-10-08T14:08:19.615Z"}, "containers": {"cna": {"title": "Global buffer out-of-bounds read in DCMTK JPEG Huffman decoding", "descriptions": [{"lang": "en", "value": "A global out-of-bounds read in the Huffman decoder of the bundled IJG JPEG libraries (dcmjpeg/libijg8, libijg12 and libijg16) of OFFIS DCMTK 3.7.0 allows an attacker to read memory beyond the extend_test[] and extend_offset[] tables, causing incorrectly decoded pixel data or a crash, via a DICOM file with a crafted JPEG stream whose Huffman table defines a difference category above 15. Huffman symbol values are not range-checked unless DCMTK is built with DCMTK_ENABLE_STRICT_HUFFMAN_TABLE_CHECK, which is disabled by default. dcmdjpeg and any application that decompresses JPEG DICOM images with DCMTK are affected. The issue is fixed in commit d6ae1bc8d5b9ae9c7300013c8c85cc2ea0fd8cf5."}], "affected": [{"vendor": "OFFIS", "product": "DCMTK", "collectionURL": "https://github.com/DCMTK/dcmtk", "repo": "https://github.com/DCMTK/dcmtk", "modules": ["dcmjpeg"], "programFiles": ["dcmjpeg/libijg8/jdshuff.c", "dcmjpeg/libijg12/jdshuff.c", "dcmjpeg/libijg16/jdshuff.c"], "cpes": ["cpe:2.3:a:offis:dcmtk:3.7.0:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "3.7.0", "status": "affected"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N", "baseScore": 4.8, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L", "baseScore": 4.4, "baseSeverity": "MEDIUM"}}], "solutions": [{"lang": "en", "value": "Update to a DCMTK version that contains commit d6ae1bc8d5b9ae9c7300013c8c85cc2ea0fd8cf5. As of the publication date, no tagged release after DCMTK 3.7.0 includes this fix, so apply the commit or build from the current master branch."}], "references": [{"url": "https://support.dcmtk.org/redmine/issues/1221", "name": "DCMTK issue #1221", "tags": ["issue-tracking", "vendor-advisory"]}, {"url": "https://github.com/DCMTK/dcmtk/commit/d6ae1bc8d5b9ae9c7300013c8c85cc2ea0fd8cf5", "name": "Fix commit", "tags": ["patch"]}], "credits": [{"lang": "en", "value": "Arjun Basnet from Securin", "type": "finder"}], "timeline": [{"time": "2026-05-25T00:00:00.000Z", "lang": "en", "value": "CVE ID shared with the vendor"}, {"time": "2026-06-10T00:00:00.000Z", "lang": "en", "value": "Fix committed by the vendor"}, {"time": "2026-06-19T00:00:00.000Z", "lang": "en", "value": "Vendor approved publication"}], "source": {"discovery": "EXTERNAL"}, "providerMetadata": {"orgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "shortName": "securin", "dateUpdated": "2026-10-08T12:55:13.689Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-08T14:08:11.020411Z", "id": "CVE-2026-44038", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-08T14:08:19.615Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-44038", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-08T14:08:11.020411Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-08T14:08:15.791Z"}}], "cna": {"title": "Global buffer out-of-bounds read in DCMTK JPEG Huffman decoding", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Arjun Basnet from Securin"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "baseScore": 4.8, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 4.4, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"cpes": ["cpe:2.3:a:offis:dcmtk:3.7.0:*:*:*:*:*:*:*"], "repo": "https://github.com/DCMTK/dcmtk", "vendor": "OFFIS", "modules": ["dcmjpeg"], "product": "DCMTK", "versions": [{"status": "affected", "version": "3.7.0"}], "programFiles": ["dcmjpeg/libijg8/jdshuff.c", "dcmjpeg/libijg12/jdshuff.c", "dcmjpeg/libijg16/jdshuff.c"], "collectionURL": "https://github.com/DCMTK/dcmtk", "defaultStatus": "unknown"}], "timeline": [{"lang": "en", "time": "2026-05-25T00:00:00.000Z", "value": "CVE ID shared with the vendor"}, {"lang": "en", "time": "2026-06-10T00:00:00.000Z", "value": "Fix committed by the vendor"}, {"lang": "en", "time": "2026-06-19T00:00:00.000Z", "value": "Vendor approved publication"}], "solutions": [{"lang": "en", "value": "Update to a DCMTK version that contains commit d6ae1bc8d5b9ae9c7300013c8c85cc2ea0fd8cf5. As of the publication date, no tagged release after DCMTK 3.7.0 includes this fix, so apply the commit or build from the current master branch."}], "references": [{"url": "https://support.dcmtk.org/redmine/issues/1221", "name": "DCMTK issue #1221", "tags": ["issue-tracking", "vendor-advisory"]}, {"url": "https://github.com/DCMTK/dcmtk/commit/d6ae1bc8d5b9ae9c7300013c8c85cc2ea0fd8cf5", "name": "Fix commit", "tags": ["patch"]}], "descriptions": [{"lang": "en", "value": "A global out-of-bounds read in the Huffman decoder of the bundled IJG JPEG libraries (dcmjpeg/libijg8, libijg12 and libijg16) of OFFIS DCMTK 3.7.0 allows an attacker to read memory beyond the extend_test[] and extend_offset[] tables, causing incorrectly decoded pixel data or a crash, via a DICOM file with a crafted JPEG stream whose Huffman table defines a difference category above 15. Huffman symbol values are not range-checked unless DCMTK is built with DCMTK_ENABLE_STRICT_HUFFMAN_TABLE_CHECK, which is disabled by default. dcmdjpeg and any application that decompresses JPEG DICOM images with DCMTK are affected. The issue is fixed in commit d6ae1bc8d5b9ae9c7300013c8c85cc2ea0fd8cf5."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "providerMetadata": {"orgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "shortName": "securin", "dateUpdated": "2026-10-08T12:55:13.689Z"}}}, "cveMetadata": {"cveId": "CVE-2026-44038", "state": "PUBLISHED", "dateUpdated": "2026-10-08T14:08:19.615Z", "dateReserved": "2026-05-05T02:49:00.667Z", "assignerOrgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "datePublished": "2026-10-08T12:55:13.689Z", "assignerShortName": "securin"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://github.com/DCMTK/dcmtk", "cpes": ["cpe:2.3:a:offis:dcmtk:3.7.0:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "modules": ["dcmjpeg"], "product": "DCMTK", "programFiles": ["dcmjpeg/libijg8/jdshuff.c", "dcmjpeg/libijg12/jdshuff.c", "dcmjpeg/libijg16/jdshuff.c"], "repo": "https://github.com/DCMTK/dcmtk", "vendor": "OFFIS", "versions": [{"status": "affected", "version": "3.7.0"}]}], "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A global out-of-bounds read in the Huffman decoder of the bundled IJG JPEG libraries (dcmjpeg/libijg8, libijg12 and libijg16) of OFFIS DCMTK 3.7.0 allows an attacker to read memory beyond the extend_test[] and extend_offset[] tables, causing incorrectly decoded pixel data or a crash, via a DICOM file with a crafted JPEG stream whose Huffman table defines a difference category above 15. Huffman symbol values are not range-checked unless DCMTK is built with DCMTK_ENABLE_STRICT_HUFFMAN_TABLE_CHECK, which is disabled by default. dcmdjpeg and any application that decompresses JPEG DICOM images with DCMTK are affected. The issue is fixed in commit d6ae1bc8d5b9ae9c7300013c8c85cc2ea0fd8cf5."}], "id": "CVE-2026-44038", "lastModified": "2026-10-08T21:10:00.133", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 2.5, "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-44038", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-08T14:08:11.020411Z", "version": "2.0.3"}}]}, "published": "2026-10-08T13:17:17.963", "references": [{"source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "url": "https://github.com/DCMTK/dcmtk/commit/d6ae1bc8d5b9ae9c7300013c8c85cc2ea0fd8cf5"}, {"source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "url": "https://support.dcmtk.org/redmine/issues/1221"}], "sourceIdentifier": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "type": "Secondary"}]}

{"bugzilla": {"description": "dcmtk: dcmtk: Denial of Service via out-of-bounds read in JPEG decoder", "id": "2547943", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2547943"}, "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. An attacker can trigger an out-of-bounds read by providing a specially crafted DICOM (Digital Imaging and Communications in Medicine) image file containing malformed JPEG data. This flaw can lead to a Denial of Service (DoS) by crashing the application or result in minor information disclosure from unauthorized memory reads."], "name": "CVE-2026-44038", "public_date": "2026-10-08T12:55:13Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-44038\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-44038\nhttps://github.com/DCMTK/dcmtk/commit/d6ae1bc8d5b9ae9c7300013c8c85cc2ea0fd8cf5\nhttps://support.dcmtk.org/redmine/issues/1221"], "statement": "This vulnerability is rated as having a Moderate impact for Red Hat because exploitation requires user interaction to process an untrusted, maliciously formed DICOM file, limiting the outcome to denial of service or out-of-bounds memory reading. The affected library and utility binaries are typically utilized in specialized medical imaging workflows rather than default system services. Consequently, standard system environments are not exposed to automatic remote compromise.", "threat_severity": "Moderate"}