Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-9whc-wfjy-sbc8
Vulnerability ID VCID-9whc-wfjy-sbc8
Aliases CVE-2021-41687
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-41687
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-41687
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-41687
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41687
USN-5882-1 https://usn.ubuntu.com/5882-1/
USN-7010-1 https://usn.ubuntu.com/7010-1/
USN-7010-2 https://usn.ubuntu.com/7010-2/
No exploits are available.
There are no known vectors.
Exploit Prediction Scoring System (EPSS)
Percentile 0.39296
EPSS Score 0.00179
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:28:45.566432+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.6.0