CVE-2026-44215

HIGH EPSS 12.1%
Published May 12, 20261mo ago · Modified Jun 17, 20262w ago
7.1 CVSS 3.1
High
Find Similar
Published May 12, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
7.1
Exploitability
2.8
Impact
4.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Low
Availability High

Threat Intelligence

EPSS Exploit Probability
12.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 1

VendorProductVersionRange
m2teamnanazip*≥5.0.1252.0  –  <6.0.1698.0

References 1

  • github.com https://github.com/M2Team/NanaZip/security/advisories/GHSA-44wh-7gc3-w936
    ExploitMitigationVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.