Description
DCMTK v3.6.7 was discovered to contain a memory leak via the T_ASC_Association object.
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 | 3.6.7-8 | — |
| Debian 13 | dcmtk | 3.6.7-8 | — |
| Debian 12 | dcmtk | 3.6.7-8 | — |
| Debian 11 | dcmtk | 3.6.5-1+deb11u1 | DLA-4038-1 |
| Debian 10 | dcmtk | 3.6.4-2.1+deb10u1 | DLA-3847-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | dcmtk | No fix yet | — |
| Ubuntu 26.04 LTS | dcmtk | No fix yet | — |
| Ubuntu 25.10 | dcmtk | No fix yet | — |
| Ubuntu 20.04 LTS | dcmtk | 3.6.4-2.1ubuntu0.1 | USN-7010-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | dcmtk | 3.6.7-9.1ubuntu0.1~esm1 | USN-7010-1 |
| Ubuntu Pro 22.04 LTS | dcmtk | 3.6.6-5ubuntu0.1~esm1 | USN-7010-1, 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-7010-1, USN-5882-1 |
| Ubuntu Pro 16.04 LTS | dcmtk | 3.6.1~20150924-5ubuntu0.1~esm1 | USN-7010-1, USN-5882-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP4 | dcmtk | 3.6.7-bp154.2.3.1 | openSUSE-SU-2023:0108-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | dcmtk | 3.6.7-bp154.2.3.1 | openSUSE-SU-2023:0108-1 |
Advisories 5
- USN-5882-1 dcmtk vulnerabilities Ubuntu Security Notices (USN) · Aug 31, 2026
- USN-7010-1 dcmtk vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-3847-1 dcmtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-4038-1 dcmtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2023:0108-1 Security update for dcmtk SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://www.wolai.com/vaVuMxU4gGqFakbzvc9NYw
- https://github.com/songxpu/bug_report/tree/master/DCMTK/memory_leak_in_3.6.7
- FEDORA-2023-fe6fa5696e vendor-advisory
- FEDORA-2023-83b529bd34 vendor-advisory
- FEDORA-2023-eda976b192 vendor-advisory
- [debian-lts-announce] 20240628 [SECURITY] [DLA 3847-1] dcmtk security update mailing-list