PT-2026-22044

CVE-2026-27710

Published

2026-02-25

Updated

2026-02-26

Description by

CVSS 4.0

5.1

Medium

MetricsAV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions NanaZip versions 5.0.1252.0 through 6.0.1637.0 NanaZip versions 6.5.1637.0

Description NanaZip contains a flaw in its .NET Single File Application parser that can lead to a denial-of-service condition. A specially crafted archive can cause an integer underflow during header-size calculation, resulting in an attempt to allocate an unbounded amount of memory when the archive is opened.

Recommendations Update to NanaZip version 6.0.1638.0 or later. Update to NanaZip version 6.5.1638.0 or later.

Exploitability

Exploit

Fix

Impacts

Researchers

Ho-9

Vendors

Affected products

Weakness enumeration

CWE-191: Integer Underflow (Wrap or Wraparound)

Related identifiers