CVE-2021-41687 — Missing Release of Memory after Effective Lifetime in Dcmtk
Severity
7.5HIGHNVD
EPSS
0.2%
top 60.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 28
Latest updateJul 8
Description
DCMTK through 3.6.6 does not handle memory free properly. The program malloc a heap memory for parsing data, but does not free it when error in parsing. Sending specific requests to the dcmqrdb program incur the memory leak. An attacker can use it to launch a DoS attack.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6