{"api_version":"1","generated_at":"2026-05-13T00:06:31+00:00","cve":"CVE-2026-42442","urls":{"html":"https://cve.report/CVE-2026-42442","api":"https://cve.report/api/cve/CVE-2026-42442.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-42442","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-42442"},"summary":{"title":"NanaZip: Null-pointer dereference in NanaZip UFS parser when root inode is a symlink","description":"NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a null-pointer dereference exists in the UFS/UFS2 filesystem image parser in NanaZip. The vulnerability is triggered when opening a crafted UFS image where the root inode (inode 2) is set to IFLNK (symlink) instead of IFDIR (directory). The parser unconditionally treats the root inode as a directory without checking its type, and when the symlink has an embedded target (small di_size), the directory data buffer is zero-length, causing a null-pointer dereference on the first read. 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From 5.0.1252.0 to before 6.0.1698.0, a null-pointer dereference exists in the UFS/UFS2 filesystem image parser in NanaZip. The vulnerability is triggered when opening a crafted UFS image where the root inode (inode 2) is set to IFLNK (symlink) instead of IFDIR (directory). The parser unconditionally treats the root inode as a directory without checking its type, and when the symlink has an embedded target (small di_size), the directory data buffer is zero-length, causing a null-pointer dereference on the first read. This vulnerability is fixed in 6.0.1698.0.","Type":"Description","Title":"NanaZip: Null-pointer dereference in NanaZip UFS parser when roo"}]}}}