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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-41687

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.1%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2021-41687
  • Offis » Dcmtk » Version: N/A
    cpe:2.3:a:offis:dcmtk:-
  • Offis » Dcmtk » Version: 3.1.0
    cpe:2.3:a:offis:dcmtk:3.1.0
  • Offis » Dcmtk » Version: 3.1.1
    cpe:2.3:a:offis:dcmtk:3.1.1
  • Offis » Dcmtk » Version: 3.1.2
    cpe:2.3:a:offis:dcmtk:3.1.2
  • Offis » Dcmtk » Version: 3.2.0
    cpe:2.3:a:offis:dcmtk:3.2.0
  • Offis » Dcmtk » Version: 3.2.1
    cpe:2.3:a:offis:dcmtk:3.2.1
  • Offis » Dcmtk » Version: 3.3.0
    cpe:2.3:a:offis:dcmtk:3.3.0
  • Offis » Dcmtk » Version: 3.3.1
    cpe:2.3:a:offis:dcmtk:3.3.1
  • Offis » Dcmtk » Version: 3.4.0
    cpe:2.3:a:offis:dcmtk:3.4.0
  • Offis » Dcmtk » Version: 3.4.1
    cpe:2.3:a:offis:dcmtk:3.4.1
  • Offis » Dcmtk » Version: 3.4.2
    cpe:2.3:a:offis:dcmtk:3.4.2
  • Offis » Dcmtk » Version: 3.5.0
    cpe:2.3:a:offis:dcmtk:3.5.0
  • Offis » Dcmtk » Version: 3.5.1
    cpe:2.3:a:offis:dcmtk:3.5.1
  • Offis » Dcmtk » Version: 3.5.2
    cpe:2.3:a:offis:dcmtk:3.5.2
  • Offis » Dcmtk » Version: 3.5.3
    cpe:2.3:a:offis:dcmtk:3.5.3
  • Offis » Dcmtk » Version: 3.5.4
    cpe:2.3:a:offis:dcmtk:3.5.4
  • Offis » Dcmtk » Version: 3.6.0
    cpe:2.3:a:offis:dcmtk:3.6.0
  • Offis » Dcmtk » Version: 3.6.2
    cpe:2.3:a:offis:dcmtk:3.6.2
  • Offis » Dcmtk » Version: 3.6.3
    cpe:2.3:a:offis:dcmtk:3.6.3
  • Offis » Dcmtk » Version: 3.6.4
    cpe:2.3:a:offis:dcmtk:3.6.4
  • Offis » Dcmtk » Version: 3.6.5
    cpe:2.3:a:offis:dcmtk:3.6.5
  • Offis » Dcmtk » Version: 3.6.6
    cpe:2.3:a:offis:dcmtk:3.6.6


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