Vulnerability in Offis Dcmtk
CVE-2021-41690
DCMTK through 3.6.6 does not handle memory free properly. The malloced memory for storing all file information are recorded in a global variable LST and are not freed properly. Sending specific requests to the dcmqrdb program can incur a memory leak. An attacker can use it to launch a DoS attack.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.018 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/DCMTK/dcmtk (Product, Third Party Advisory)
- github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2024/06/msg00022.html (mailing-list)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-41690?
- CVE-2021-41690 is a high-severity vulnerability in Offis Dcmtk, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2022-06-28.
- How severe is CVE-2021-41690?
- High severity. CVSS v3 base score is 7.5 out of 10.