NULL pointer dereference in Offis Dcmtk
CVE-2022-4981
A vulnerability was detected in DCMTK up to 3.6.7. The impacted element is the function DcmQueryRetrieveConfig::readPeerList of the file /dcmqrcnf.cc of the component dcmqrscp. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. Upgrading to version 3.6.8 is sufficient to resolve this issue. The patch is identified as 957fb31e5. Upgrading the affected component is advised.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.003 (17.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Offis Dcmtk
- Dcmtk — versions 3.6.0, 3.6.1, 3.6.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- support.dcmtk.org/redmine/issues/1026 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- shimo.im/docs/e1Azd4dDQXUgOGqW/ (Exploit, Third Party Advisory, exploit)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-4981?
- CVE-2022-4981 is a low-severity vulnerability in Offis Dcmtk, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2025-10-21.
- How severe is CVE-2022-4981?
- Low severity. CVSS v3 base score is 3.3 out of 10.