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PatchSiren cyber security CVE debrief

CVE-2025-31946 Pixmeo CVE debrief

CVE-2025-31946 affects Pixmeo OsiriX MD and is described by CISA as a local use-after-free issue. According to the advisory, an attacker who can locally import a crafted DICOM file may trigger memory corruption or a system crash. The advisory was published on 2025-05-08 and the supplied corpus does not list it in CISA KEV.

Vendor
Pixmeo
Product
OsiriX MD
CVSS
MEDIUM 6.2
CISA KEV
Not listed in stored evidence
Original CVE published
2025-05-08
Original CVE updated
2025-05-08
Advisory published
2025-05-08
Advisory updated
2025-05-08

Who should care

Organizations running Pixmeo OsiriX MD, especially medical imaging teams, endpoint administrators, and security teams responsible for systems that can import DICOM files. Workstations used in clinical environments should be prioritized because the impact is on availability and memory safety.

Technical summary

The supplied CSAF advisory describes a local use-after-free in OsiriX MD. The attack scenario is a crafted DICOM file imported locally, which can lead to memory corruption or a system crash. The provided CVSS 3.1 vector is AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, with a score of 6.2 (Medium).

Defensive priority

Medium. Patch promptly on any workstation running OsiriX MD, with extra attention on systems that handle untrusted or externally supplied DICOM files because the likely impact is crash and memory corruption rather than data exposure.

Recommended defensive actions

  • Install the latest version of OsiriX MD from Pixmeo as directed in the vendor remediation.
  • Inventory all systems running OsiriX MD and confirm which ones process imported DICOM files.
  • Treat externally sourced DICOM files as untrusted and limit import workflows to trusted operators and managed systems.
  • Monitor affected workstations for unexpected crashes or memory-corruption symptoms until updated.
  • Use CISA ICS recommended practices and general defense-in-depth guidance for medical imaging endpoints.

Evidence notes

All claims are derived from the supplied CISA CSAF source item and its listed references. The advisory text states the product is vulnerable to a local use-after-free scenario that may be triggered by locally importing a crafted DICOM file, causing memory corruption or a system crash. The source item also includes a vendor remediation to download the latest version of OsiriX MD. No KEV entry is present in the supplied corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-31946 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-31946

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-31946 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-31946

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsma-25-128-01.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-128-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ncas/tips/ST04-014

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.