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 an integer underflow in header-size calculation and trigger an unbounded memory allocation attempt during archive open. Versions 6.0.1638.0 and 6.5.1638.0 fix the issue.

CVSS v3 5.0 MEDIUM

5.0^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.3 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/M2Team/NanaZip/security/advisories/GHSA-89qw-8p49-32wf	Exploit Vendor Advisory
https://github.com/M2Team/NanaZip/security/advisories/GHSA-89qw-8p49-32wf	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:m2team:nanazip:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-26 00:16

Updated : 2026-02-27 17:53

NVD link : CVE-2026-27710

Mitre link : CVE-2026-27710

CVE.ORG link : CVE-2026-27710

JSON object : View

Products Affected

m2team

nanazip

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

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