Skip to content
Fencer Vulns
high 7.5

CVE-2022-2121 json

OFFIS DCMTK NULL Pointer Dereference

published 2022-06-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34407

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

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.

Patch / fix

  • OFFIS DCMTK 3.6.7
  • dcmtk Debian 14, Debian 13, Debian 12 3.6.7-1

debian advisories DEBIAN-CVE-2022-2121

  • dcmtk Ubuntu 20.04 LTS 3.6.4-2.1ubuntu0.1
  • dcmtk Ubuntu Pro 16.04 LTS 3.6.1~20150924-5ubuntu0.1~esm1
  • dcmtk Ubuntu Pro 18.04 LTS 3.6.2-3ubuntu0.1~esm1
  • dcmtk Ubuntu Pro 20.04 LTS 3.6.4-2.1ubuntu0.1~esm1
  • dcmtk Ubuntu Pro 22.04 LTS 3.6.6-5ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2022-2121

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • dcmtk Package Hub 15 SP4, openSUSE Leap 15.4 3.6.7-bp154.2.3.1

opensuse advisories openSUSE-SU-2023:0108-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-2121 updated cvss 6.5

dcmtk: NULL pointer dereference that could lead to a DoS

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSMA-22-174-01 updated cvss 6.5

OFFIS DCMTK

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 3.3 AV:A/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • OFFIS DCMTK

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.