What’s Vulnerable › Vulnerabilities

CVE-2022-2121: OFFIS DCMTK NULL Pointer Dereference

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-06-24 · updated 2026-06-17
• Weakness: CWE-476

Description

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.

Affected products

• OFFIS DCMTK: before 3.6.7 — fixed in 3.6.7

How to fix

Upgrade to a fixed version: OFFIS DCMTK 3.6.7. Check the vendor advisory for mitigations.

References

• https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html
• https://www.cisa.gov/uscert/ics/advisories/icsma-22-174-01
• https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html
• https://lists.debian.org/debian-lts-announce/2025/01/msg00032.html
• https://www.cisa.gov/uscert/ics/advisories/icsma-22-174-01

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