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CVE-2026-26282

Published: Feb 19, 2026

Modified: Feb 20, 2026

PUBLISHED

Description

NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, NanaZip has an out-of-bounds heap read in `.NET Single File` bundle header parser due to missing bounds check. Opening a crafted file with NanaZip causes a crash or leaks heap data to the user. Version 6.0.1630.0 patches the issue.

Vendor	Product	Versions
M2Team	NanaZip	affected `>= 5.0.1252.0, < 6.0.1630.0`

Weaknesses (CWE)

References

https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c

x_refsource_CONFIRM

https://github.com/user-attachments/files/25274143/poc.exe.zip

x_refsource_MISC

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