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

CVE-2021-41688

CVE-2021-41688

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

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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