CVE-2026-44215 NanaZip: Heap out-of-bounds write in NanaZip UFS directory parser

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 th...

CVE-2026-44215

Summary: NanaZip versions 5.0.1252.0 through before 6.0.1698.0 contain a bug in the UFS/UFS2 filesystem image parser that allows a one-byte heap out-of-bounds null write when opening a crafted UFS image. Vulnerability details: attacker-controlled byte offset within a ~254-byte window past the hea...