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High severity7.5NVD Advisory· Published Jun 28, 2022· Updated Jun 17, 2026

CVE-2021-41687

CVE-2021-41687

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.

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Affected products

3
  • Dcmtk/Dcmtk3 versions
    cpe:2.3:a:offis:dcmtk:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:offis:dcmtk:*:*:*:*:*:*:*:*range: <=3.6.6
    • (no CPE)
    • (no CPE)range: <=3.6.6

Patches

Vulnerability mechanics

References

3

News mentions

0

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