CVE-2022-2121
OFFIS DCMTK NULL Pointer Dereference
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.5
OFFIS DCMTK NULL Pointer Dereference
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.
- Record
CVE-2022-2121- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2022-34407
7.5
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.
- Record
EUVD-2022-34407- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-jrq9-r9fx-4557
6.5
OFFIS DCMTK's (All versions prior to 3.6.7) has a NULL pointer dereference vulnerability while...
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.
- Record
GHSA-jrq9-r9fx-4557- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
NVD
7.5
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.
- Record
CVE-2022-2121- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
7.5
OFFIS DCMTK NULL Pointer Dereference
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.
- Record
CVE-2022-2121- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2022-2121
6.5
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.
- Record
DEBIAN-CVE-2022-2121- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
Show 6 moreShow less
OSVUBUNTU-CVE-2022-2121
7.5
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.
- Record
UBUNTU-CVE-2022-2121- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVMGASA-2023-0083 No score
Updated dcmtk packages fix security vulnerability
Jinsheng Ba discovered that DCMTK incorrectly handled certain requests. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2021-41687, CVE-2021-41688, CVE-2021-41689, and CVE-2021-41690)
Sharon Brizinov and Noam Moshe discovered that DCMTK incorrectly handled certain inputs. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to execute arbitrary code. (CVE-2022-2119 and CVE-2022-2120)
Sharon Brizinov and Noam Moshe discovered that DCMTK incorrectly handled pointers. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2022-2121)
It was discovered that DCMTK incorrectly handled certain inputs. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2022-43272)
- Record
MGASA-2023-0083- Updated
- 2026-11-02
OSVopenSUSE-SU-2023:0108-1 No score
Security update for dcmtk
This update for dcmtk fixes the following issues:
-
CVE-2022-43272: Fixed memory leak via the T_ASC_Association object (boo#1206070)
-
Update to 3.6.7 (boo#1208639, boo#1208638, boo#1208637, CVE-2022-2121, CVE-2022-2120, CVE-2022-2119)
- CVE-2022-2121: Fixed possible DoS via NULL pointer dereference
- CVE-2022-2120: Fixed relative path traversal vulnerability
- CVE-2022-2119: Fixed path traversal vulnerability
See DOCS/CHANGES.367 for the full list of changes
- Updated code definitions for DICOM 2022b
- Fixed possible NULL pointer dereference
- Record
openSUSE-SU-2023:0108-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:12925-1 No score
dcmtk-3.6.7-2.1 on GA media
These are all security issues fixed in the dcmtk-3.6.7-2.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:12925-1- Updated
- 2026-11-02
OSVUSN-5882-1 No score
dcmtk vulnerabilities
Gjoko Krstic discovered that DCMTK incorrectly handled buffers. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2015-8979)
Omar Ganiev discovered that DCMTK incorrectly handled buffers. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-1010228)
Jinsheng Ba discovered that DCMTK incorrectly handled certain requests. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2021-41687, CVE-2021-41688, CVE-2021-41689, and CVE-2021-41690)
Sharon Brizinov and Noam Moshe discovered that DCMTK incorrectly handled certain inputs. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-2119 and CVE-2022-2120)
Sharon Brizinov and Noam Moshe discovered that DCMTK incorrectly handled pointers. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-2121)
It was discovered that DCMTK incorrectly handled certain inputs. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-43272)
- Record
USN-5882-1- Updated
- 2026-11-02
OSVUSN-7010-1 No score
dcmtk vulnerabilities
Jinsheng Ba discovered that DCMTK incorrectly handled certain requests. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-41687, CVE-2021-41688, CVE-2021-41689, CVE-2021-41690)
Sharon Brizinov and Noam Moshe discovered that DCMTK incorrectly handled pointers. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2022-2121)
It was discovered that DCMTK incorrectly handled certain inputs. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2022-43272)
It was discovered that DCMTK incorrectly handled certain inputs. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to execute arbitrary code. This issue was only addressed in Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2024-28130)
It was discovered that DCMTK incorrectly handled memory when processing an invalid incoming DIMSE message. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-34508, CVE-2024-34509)
- Record
USN-7010-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
dcmtkDebian:12 |
before 3.6.7-1 | 3.6.7-1 |
dcmtkDebian:13 |
before 3.6.7-1 | 3.6.7-1 |
dcmtkDebian:14 |
before 3.6.7-1 | 3.6.7-1 |
dcmtkDebian:10 From an advisory covering 9 CVEs |
before 3.6.4-2.1+deb10u1, plus listed versions 3.6.4-2.1 |
3.6.4-2.1+deb10u1 |
dcmtkDebian:11 From an advisory covering 11 CVEs |
before 3.6.5-1+deb11u1, plus listed versions 3.6.5-1 |
3.6.5-1+deb11u1 |
dcmtkMageia:8 From an advisory covering 8 CVEs |
before 3.6.5-3.1.mga8 | 3.6.5-3.1.mga8 |
dcmtkUbuntu:Pro:16.04:LTS |
before 3.6.1~20150924-5ubuntu0.1~esm1, plus listed versions 3.6.0-15.13.6.1~20150629-53.6.1~20150924-43.6.1~20150924-5 |
3.6.1~20150924-5ubuntu0.1~esm1 |
dcmtkUbuntu:Pro:18.04:LTS |
before 3.6.2-3ubuntu0.1~esm1, plus listed versions 3.6.2-23.6.2-2build13.6.2-33.6.2-3build13.6.2-3build23.6.2-3build3 |
3.6.2-3ubuntu0.1~esm1 |
dcmtkUbuntu:20.04:LTS |
before 3.6.4-2.1ubuntu0.1, plus listed versions 3.6.4-2.13.6.4-2.1build13.6.4-2.1build2 |
3.6.4-2.1ubuntu0.1 |
dcmtkUbuntu:Pro:20.04:LTS |
before 3.6.4-2.1ubuntu0.1~esm1, plus listed versions 3.6.4-2.13.6.4-2.1build13.6.4-2.1build2 |
3.6.4-2.1ubuntu0.1~esm1 |
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| Package | Affected | Fixed |
|---|---|---|
dcmtkUbuntu:Pro:22.04:LTS |
before 3.6.6-5ubuntu0.1~esm1, plus listed versions 3.6.5-13.6.6-3ubuntu13.6.6-3ubuntu23.6.6-43.6.6-5 |
3.6.6-5ubuntu0.1~esm1 |
dcmtkUbuntu:Pro:24.04:LTS |
All versions, plus listed versions 3.6.7-93.6.7-9.1build23.6.7-9.1build33.6.7-9.1build43.6.7-9.1ubuntu0.1~esm1 |
None known |
dcmtkUbuntu:25.10 |
All versions, plus listed versions 3.6.9-43.6.9-53.6.9-5build1 |
None known |
dcmtkUbuntu:26.10 |
All versions, plus listed versions 3.7.0+really3.6.9-13.7.0+really3.7.0-23.7.0+really3.7.0-53.7.0+really3.7.0-63.7.0+really3.7.0-7ubuntu1 |
None known |
dcmtkUbuntu:26.04:LTS |
All versions, plus listed versions 3.6.9-5build13.6.9-63.7.0+really3.6.9-1 |
None known |
dcmtkUbuntu:Pro:16.04:LTS From an advisory covering 10 CVEs |
before 3.6.1~20150924-5ubuntu0.1~esm1, plus listed versions 3.6.0-15.13.6.1~20150629-53.6.1~20150924-43.6.1~20150924-5 |
3.6.1~20150924-5ubuntu0.1~esm1 |
dcmtkUbuntu:Pro:18.04:LTS From an advisory covering 10 CVEs |
before 3.6.2-3ubuntu0.1~esm1, plus listed versions 3.6.2-23.6.2-2build13.6.2-33.6.2-3build13.6.2-3build23.6.2-3build3 |
3.6.2-3ubuntu0.1~esm1 |
dcmtkUbuntu:Pro:20.04:LTS From an advisory covering 10 CVEs |
before 3.6.4-2.1ubuntu0.1~esm1, plus listed versions 3.6.4-2.13.6.4-2.1build13.6.4-2.1build2 |
3.6.4-2.1ubuntu0.1~esm1 |
dcmtkUbuntu:Pro:22.04:LTS From an advisory covering 10 CVEs |
before 3.6.6-5ubuntu0.1~esm1, plus listed versions 3.6.5-13.6.6-3ubuntu13.6.6-3ubuntu23.6.6-43.6.6-5 |
3.6.6-5ubuntu0.1~esm1 |
dcmtkUbuntu:Pro:16.04:LTS From an advisory covering 9 CVEs |
before 3.6.1~20150924-5ubuntu0.1~esm2, plus listed versions 3.6.0-15.13.6.1~20150629-53.6.1~20150924-43.6.1~20150924-53.6.1~20150924-5ubuntu0.1~esm1 |
3.6.1~20150924-5ubuntu0.1~esm2 |
dcmtkUbuntu:Pro:18.04:LTS From an advisory covering 9 CVEs |
before 3.6.2-3ubuntu0.1~esm2, plus listed versions 3.6.2-23.6.2-2build13.6.2-33.6.2-3build13.6.2-3build23.6.2-3build33.6.2-3ubuntu0.1~esm1 |
3.6.2-3ubuntu0.1~esm2 |
dcmtkUbuntu:20.04:LTS From an advisory covering 9 CVEs |
before 3.6.4-2.1ubuntu0.1, plus listed versions 3.6.4-2.13.6.4-2.1build13.6.4-2.1build2 |
3.6.4-2.1ubuntu0.1 |
dcmtkUbuntu:Pro:22.04:LTS From an advisory covering 9 CVEs |
before 3.6.6-5ubuntu0.1~esm2, plus listed versions 3.6.5-13.6.6-3ubuntu13.6.6-3ubuntu23.6.6-43.6.6-53.6.6-5ubuntu0.1~esm1 |
3.6.6-5ubuntu0.1~esm2 |
dcmtkUbuntu:Pro:24.04:LTS From an advisory covering 9 CVEs |
before 3.6.7-9.1ubuntu0.1~esm1, plus listed versions 3.6.7-93.6.7-9.1build23.6.7-9.1build33.6.7-9.1build4 |
3.6.7-9.1ubuntu0.1~esm1 |
dcmtkSUSE:Package Hub 15 SP4 From an advisory covering 4 CVEs |
before 3.6.7-bp154.2.3.1 | 3.6.7-bp154.2.3.1 |
dcmtkopenSUSE:Leap 15.4 From an advisory covering 4 CVEs |
before 3.6.7-bp154.2.3.1 | 3.6.7-bp154.2.3.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-2121 is a high vulnerability (CVSS 7.5) in Offis Dcmtk, published June 24, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.78%, the 56th percentile. Fixed in dcmtk 3.6.7-1.
References
cisa.gov/uscert/ics/advisories/icsma-22-174-01
lists.debian.org/debian-lts-announce/2024/06/msg00022.html
lists.debian.org/debian-lts-announce/2025/01/msg00032.html
nvd.nist.gov/vuln/detail/CVE-2022-2121
github.com/advisories/GHSA-jrq9-r9fx-4557
github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2121.json
Show 32 moreShow less
security-tracker.debian.org/tracker/CVE-2022-2121
advisories.mageia.org/MGASA-2023-0083.html
bugs.mageia.org/show_bug.cgi?id=30790
dicom.offis.de/download/dcmtk/dcmtk367/ANNOUNCE
lists.fedoraproject.org/archives/list/[email protected]/thread/2Z7WVDK43MKWOS23BIN4VCQRQRXHGSDB
lists.fedoraproject.org/archives/list/[email protected]/thread/WF2FCZOYXVZ4ETCHO62JWUP4D55UWJCV
ubuntu.com/security/notices/USN-5882-1
ubuntu.com/security/CVE-2022-2121
support.dcmtk.org/redmine/issues/1021
cve.org/CVERecord?id=CVE-2022-2121
ubuntu.com/security/notices/USN-7010-1
ubuntu.com/security/CVE-2015-8979
ubuntu.com/security/CVE-2019-1010228
ubuntu.com/security/CVE-2021-41687
ubuntu.com/security/CVE-2021-41688
ubuntu.com/security/CVE-2021-41689
ubuntu.com/security/CVE-2021-41690
ubuntu.com/security/CVE-2022-2119
ubuntu.com/security/CVE-2022-2120
ubuntu.com/security/CVE-2022-43272
ubuntu.com/security/CVE-2024-28130
ubuntu.com/security/CVE-2024-34508
ubuntu.com/security/CVE-2024-34509
lists.opensuse.org/archives/list/[email protected]/thread/MKL5XGJX4U2PD4XAVAZG2YAU2LYKLQIH
bugzilla.suse.com/1206070
bugzilla.suse.com/1208637
bugzilla.suse.com/1208638
bugzilla.suse.com/1208639
suse.com/security/cve/CVE-2022-2119
suse.com/security/cve/CVE-2022-2120
suse.com/security/cve/CVE-2022-2121
suse.com/security/cve/CVE-2022-43272