High severity7.5NVD Advisory· Published Jan 16, 2026· Updated Apr 15, 2026

CVE-2021-47818

Description

DupTerminator 1.4.5639.37199 contains a denial of service vulnerability that allows attackers to crash the application by inputting a long character string in the Excluded text box. Attackers can generate a payload of 8000 repeated characters to trigger the application to stop working on Windows 10.

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

Affected products

DupTerminator/DupTerminatorllm-fuzzy
Range: =1.4.5639.37199

Patches

Vulnerability mechanics

References

sourceforge.net/projects/dupterminator/nvd
www.exploit-db.com/exploits/49917nvd
www.vulncheck.com/advisories/dupterminator-denial-of-servicenvd

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