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CVE-2026-47224— NanaZip: Heap buffer-overflow read in NanaZip LVM metadata CRC check

CVSS 4.3 · Medium EPSS 0.19% · P8

Possible ATT&CK Techniques 1AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProductVersion RangeStatus
M2TeamNanaZip>= 3.0.1000.0, < 6.0.1698.0affected
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I. Basic Information for CVE-2026-47224

Vulnerability Information

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Vulnerability Title
NanaZip: Heap buffer-overflow read in NanaZip LVM metadata CRC check
Source: NVD (National Vulnerability Database)
Vulnerability Description
NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap buffer-overflow read exists in the LVM2 physical-volume metadata parser in NanaZip (via the upstream 7-Zip LvmHandler). The vulnerability is triggered when opening a crafted LVM disk image. This issue has been patched in stable version 6.0.1698.0 and preview version 6.5.1742.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
M2Team NanaZip 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
m2team nanazip是m2team团队开源的一个压缩软件。 M2Team NanaZip 3.0.1000.0版本至6.0.1698.0之前版本存在缓冲区错误漏洞,该漏洞源于LVM2物理卷元数据解析器存在堆缓冲区过度读取,可能导致在打开特制LVM磁盘映像时触发漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
M2TeamNanaZip >= 3.0.1000.0, < 6.0.1698.0 -

II. Public POCs for CVE-2026-47224

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III. Intelligence Information for CVE-2026-47224

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Vendor Advisories for CVE-2026-47224 (1)

Same Patch Batch · M2Team · 2026-06-12 · 3 CVEs total

CVE-2026-472235.4 MEDIUMNanaZip: Heap out-of-bounds read in NanaZip AVB hashtree descriptor parser via 32-bit unsi
CVE-2026-472225.4 MEDIUMNanaZip: Heap out-of-bounds read in NanaZip AVB property descriptor parser via unsigned in

IV. Related Vulnerabilities

V. Comments for CVE-2026-47224

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