7.5

CVE-2021-41688

DCMTK through 3.6.6 does not handle memory free properly. The object in the program is free but its address is still used in other locations. Sending specific requests to the dcmqrdb program will incur a double free. An attacker can use it to launch a DoS attack.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Offis ≫ Dcmtk Version <= 3.6.6
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.6% 0.726
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-415 Double Free

The product calls free() twice on the same memory address.

https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html
https://github.com/DCMTK/dcmtk
Third Party Advisory
Product
https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/01/msg00032.html