Vulnerability Details CVE-2026-44215
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 8.2%
CVSS Severity
CVSS v3 Score 4.4
References
Products affected by CVE-2026-44215
-
cpe:2.3:a:m2team:nanazip:5.0.1252.0
-
cpe:2.3:a:m2team:nanazip:5.0.1263.0
-
cpe:2.3:a:m2team:nanazip:5.1.1252.0
-
cpe:2.3:a:m2team:nanazip:5.1.1263.0
-
cpe:2.3:a:m2team:nanazip:6.0.1461.0
-
cpe:2.3:a:m2team:nanazip:6.0.1621.0
-
cpe:2.3:a:m2team:nanazip:6.0.1630.0
-
cpe:2.3:a:m2team:nanazip:6.0.1632.0