Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| M2Team | Nanazip | >= 5.0.1252.0, < 6.0.1638.0 |
Related Weaknesses (CWE)
References
- https://github.com/M2Team/NanaZip/security/advisories/GHSA-89qw-8p49-32wfExploitVendor Advisory
- https://github.com/M2Team/NanaZip/security/advisories/GHSA-89qw-8p49-32wfExploitVendor Advisory
FAQ
What is CVE-2026-27710?
CVE-2026-27710 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 Applicat...
How severe is CVE-2026-27710?
CVE-2026-27710 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-27710?
Check the references section above for vendor advisories and patch information. Affected products include: M2Team Nanazip.