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I. Basic Information for CVE-2026-5404
Vulnerability Information
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Vulnerability Title
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in Wireshark
Source: NVD (National Vulnerability Database)
Vulnerability Description
K12 RF5 file parser crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
Wireshark FoundationWireshark 4.6.0 ~ 4.6.5 -
II. Public POCs for CVE-2026-5404
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III. Intelligence Information for CVE-2026-5404
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IV. Related Vulnerabilities
Same product: Wireshark
Same vendor: Wireshark Foundation
Same weakness: CWE-120
V. Comments for CVE-2026-5404

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