Description
OFFIS.de DCMTK 3.6.3 and below is affected by: Buffer Overflow. The impact is: Possible code execution and confirmed Denial of Service. The component is: DcmRLEDecoder::decompress() (file dcrledec.h, line 122). The attack vector is: Many scenarios of DICOM file processing (e.g. DICOM to image conversion). The fixed version is: 3.6.4, after commit 40917614e.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OFFIS.de | DCMTK | 3.6.3 and below [fixed: 3.6.4, after commit 40917614e] | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | dcmtk | 3.6.4-1 | — |
| Debian 13 | dcmtk | 3.6.4-1 | — |
| Debian 12 | dcmtk | 3.6.4-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | dcmtk | 3.6.6-5ubuntu0.1~esm1 | USN-5882-1 |
| Ubuntu Pro 20.04 LTS | dcmtk | 3.6.4-2.1ubuntu0.1~esm1 | USN-5882-1 |
| Ubuntu Pro 18.04 LTS | dcmtk | 3.6.2-3ubuntu0.1~esm1 | USN-5882-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | dcmtk | 3.6.1~20150924-5ubuntu0.1~esm1 | USN-5882-1 |
Advisories 1
- USN-5882-1 dcmtk vulnerabilities Ubuntu Security Notices (USN) · Aug 31, 2026
References
- https://support.dcmtk.org/redmine/issues/858
- FEDORA-2019-12650a34d8 vendor-advisory
- FEDORA-2019-4349fc0afb vendor-advisory