Vulnerability · Published Aug 31, 2025 · Assigned by VulDB
CVE-2025-9732DCMTK dcm2img diybrpxt.h memory corruption
Medium 5.3
In plain English
A medium-severity memory corruption in DCMTK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
A vulnerability was identified in DCMTK up to 3.6.9. This affects an unknown function in the library dcmimage/include/dcmtk/dcmimage/diybrpxt.h of the component dcm2img. Such manipulation leads to memory corruption. Local access is required to approach this attack. The name of the patch is 7ad81d69b. It is best practice to apply a patch to resolve this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | dcmtk | 3.6.7-9~deb12u4 | DEBIAN-CVE-2025-9732 |
| Debian:13 | dcmtk | 3.6.9-5+deb13u1 | DEBIAN-CVE-2025-9732 |
| Debian:14 | dcmtk | 3.6.9-6 | DEBIAN-CVE-2025-9732 |
| Ubuntu:25.10 | dcmtk | no fix listed | UBUNTU-CVE-2025-9732 |
| Ubuntu:26.04:LTS | dcmtk | no fix listed | UBUNTU-CVE-2025-9732 |
| Ubuntu:26.10 | dcmtk | no fix listed | UBUNTU-CVE-2025-9732 |
Affected products (as reported)
Weakness: CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
References
- VDB-322023 | DCMTK dcm2img diybrpxt.h memory corruption vdb-entry
- VDB-322023 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #639772 | DCMTK v3.6.9+ DEV Segmentation fault third-party-advisory
- https://github.com/DCMTK/dcmtk/commit/7ad81d69b patch