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Orthanc

13 CVEs tracked. None of them is in CISA KEV.

This hub aggregates every CVE we track for Orthanc, a product in the databases space. Use it to gauge the current risk picture and drill into individual advisories.

Orthanc CVEs per month

Nov 2024 to Oct 2026. Point at a month, or focus the strip and use the arrow keys.
Orthanc CVEs per month
MonthCVEs
2024-110
2024-120
2025-010
2025-021
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-100
2025-110
2025-120
2026-010
2026-021
2026-030
2026-049
2026-050
2026-060
2026-070
2026-080
2026-090
2026-100

Severity

How the 13 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical433%
  • High758%
  • Medium18%

Latest CVEs

The 13 most recently published vulnerabilities affecting Orthanc.

  1. CVE-2026-5439Memory Exhaustion via Forged ZIP Metadata7.5
  2. CVE-2026-5437Out-of-Bounds Read in DicomStreamReader7.5
  3. CVE-2026-5438Gzip Decompression Bomb via Content-Encoding Header7.5
  4. CVE-2026-5440Memory Exhaustion via Unbounded Content-Length7.5
  5. CVE-2026-5442Heap Buffer Overflow in DICOM Image Decoder via VR UL Dimensions9.8
  6. CVE-2026-5443Heap Buffer Overflow in DICOM Image Decoder (Palette Color Decode)9.8
  7. CVE-2026-5445Out-of-Bounds Read in DicomImageDecoder (DecodeLookupTable)9.1
  8. CVE-2026-5444Heap Buffer Overflow in PAM Image Buffer Allocation7.1
  9. CVE-2026-5441Out-of-Bounds Read in DicomImageDecoder (PMSCT_RLE1 Decompression)7.1
  10. CVE-2025-15581Orthanc versions before 1.12.10 are affected by an authorisation logic flaw in the application's HTTP Basic Authentication implementation. Successful exploitation could result in Privilege Escal...—
  11. CVE-2025-0896Orthanc Server Missing Authentication for Critical Function9.8
  12. CVE-2024-22725Orthanc versions before 1.12.2 are affected by a reflected cross-site scripting (XSS) vulnerability. The vulnerability was present in the server's error reporting.6.1
  13. CVE-2023-33466Orthanc before 1.12.0 allows authenticated users with access to the Orthanc API to overwrite arbitrary files on the file system, and in specific deployment scenarios allows the attacker to overwrit...8.8

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