CVE Watch14 jul 2026

CVE-2026-55782

NanaZip is the 7-Zip derivative intended for the modern Windows experience. Prior to 6.5.1749.0, NanaZip's WebAssembly archive handler in Na

CVSS

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Sin CVSS

EPSS

0.1%

KEV

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Exploit Today

0-100

Publicado: 10 jul 2026 · Última mod.: 14 jul 2026 · CWE-400 · CWE-789

EPSS · 30d

0.1%EPSS · 30 días0.1%

2026-07-112026-07-16

Descripción técnica

NanaZip is the 7-Zip derivative intended for the modern Windows experience. Prior to 6.5.1749.0, NanaZip's WebAssembly archive handler in NanaZip.Codecs.Archive.WebAssembly.cpp allocates buffers from attacker-controlled 32-bit section and custom-name length fields without validating them against the data present in the file. A tiny crafted module can force multi-gigabyte allocations during listing or extraction through NameSize, Information.Size, and std::string or vector allocation paths, causing memory exhaustion or process termination. This issue is fixed in version 6.5.1749.0.

Referencias oficiales

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