CVE-2026-27710

MEDIUM

5.0

Description

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.

CVE Details

CVSS v3.1 Score5.0

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published2/26/2026

Last Modified2/27/2026

Sourcenvd

Honeypot Sightings0

Affected Products

m2team:nanazip

Weaknesses (CWE)

CWE-191

References

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

https://github.com/M2Team/NanaZip/security/advisories/GHSA-89qw-8p49-32wf(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.