Integer overflow in M2team Nanazip

CVE-2026-27710

NanaZip is an open source file archive. Starting in version 5.0.1252.0 and prior to versions 6.0.1638.0 and 6.5.1638.0, a denial-of-service vulnerability exists in NanaZip’s `.NET Single File Application` parser. A crafted bundle can force…

EPSS: 0.000 (4.6th percentile) — read the EPSS interpretation.

Affected products

M2team Nanazip — versions >= 5.0.1252.0, < 6.0.1638.0, >= 6.1, < 6.5.1638.0

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

https://github.com/M2Team/NanaZip/security/advisories/GHSA-89qw-8p49-32wf (x_refsource_CONFIRM)