Vulnerability Description
NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a one-byte heap out-of-bounds null write exists in the UFS/UFS2 filesystem image parser in NanaZip. The vulnerability is triggered when opening a crafted UFS filesystem image. The attacker controls the byte offset of the write within a ~254-byte window past the heap allocation boundary. This vulnerability is fixed in 6.0.1698.0.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| M2Team | Nanazip | >= 5.0.1252.0, < 6.0.1698.0 |
Related Weaknesses (CWE)
References
- https://github.com/M2Team/NanaZip/security/advisories/GHSA-44wh-7gc3-w936ExploitMitigationVendor Advisory
- https://github.com/M2Team/NanaZip/security/advisories/GHSA-44wh-7gc3-w936ExploitMitigationVendor Advisory
FAQ
What is CVE-2026-44215?
CVE-2026-44215 is a vulnerability with a CVSS score of 4.4 (MEDIUM). NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a one-byte heap out-of-bounds null write exists in the UFS/UFS2 filesystem image parser in NanaZip. The vulnerability is t...
How severe is CVE-2026-44215?
CVE-2026-44215 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-44215?
Check the references section above for vendor advisories and patch information. Affected products include: M2Team Nanazip.