CVE-2026-55781
2026-07-10
17h16 +00:00
17h16 +00:00
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Deskripsi CVE
NanaZip is the 7-Zip derivative intended for the modern Windows experience. Prior to 6.5.1749.0, NanaZip's UFS and FFS image handler in NanaZip.Codecs.Archive.Ufs.cpp validates the superblock block size only against the MINBSIZE lower bound and does not validate the fs_fsize fragment size, allowing attacker-controlled 32-bit fields to flow into indirect-block, directory, and extraction buffer allocations. A tiny crafted UFS image can force multi-gigabyte allocations during open or extraction, causing memory exhaustion or process termination. This issue is fixed in version 6.5.1749.0.
Informasi CVE
Kelemahan Terkait
| Nama Kelemahan | Sumber | |
|---|---|---|
| Uncontrolled Resource Consumption The product does not properly control the allocation and maintenance of a limited resource. |
||
| Memory Allocation with Excessive Size Value The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. |
Informasi eksploitasi
Exploit Database EDB-ID : 52656
Tanggal publikasi : 2026-08-18 00h00 +00:00
Penulis : Jorge González Milla
Terverifikasi EDB : No
