A NULL pointer dereference in the component /libsrc/dcrleccd.cc of DCMTK v3.6.9+ DEV allows attackers to cause a Denial of Service (DoS) via a crafted DICOM file.
Conclusion & alert: CVE-2025-25475 is rated Moderate Risk (44.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.53%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.24% | 0.53% | +0.29% |
| 2 | 2026-03-31 | 0.28% | 0.24% | -0.04% |
| 3 | 2026-03-29 | — | 0.28% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2025-25475 not yet assigned priority: Debian including 1 source packages (dcmtk), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2025-25475 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-25475 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2025-25475/ |
ubuntu
|
medium | CVE-2025-25475 medium priority: Ubuntu including 1 source packages (dcmtk), 9 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream, xenial): needs-triage 7, ignored 2. | https://ubuntu.com/security/CVE-2025-25475 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| offis | dcmtk | 3.6.9 | cpe:2.3:a:offis:dcmtk:3.6.9:*:*:*:*:*:*:* |
| debian | debian_linux | 11.0 | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |