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CVE-2026-54063
7.5 HIGH
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CVSS version (CVSS): 3.1
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Attack Vector (AV): Network (N)
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Attack Complexity (AC): Low (L)
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Privileges Required (PR): None (N)
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User Interaction (UI): None (N)
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Scope (S): Unchanged (U)
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Confidentiality (C): None (N)
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Integrity (I): None (N)
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Availability (A): High (H)
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Modified Attack Vector (MAV): Network (N)
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Modified Attack Complexity (MAC): Low (L)
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Modified Privileges Required (MPR): None (N)
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Modified User Interaction (MUI): None (N)
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Modified Confidentiality (MC): None (N)
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Modified Scope (MS): Unchanged (U)
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Modified Integrity (MI): None (N)
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Modified Availability (MA): High (H)
created
2 weeks, 2 days ago
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Created & dismissed (no matching packages found) suggestion
2 weeks, 2 days ago
Excelize: Unbounded Row Index Allocation in Worksheet Parser (checkSheet OOM/Panic DoS)
Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. Prior to 2.11.0, the checkSheet() function in github.com/xuri/excelize/v2 uses an attacker-controlled <row r="N"> XML attribute value directly as the length argument to make([]xlsxRow, row) without validating it against the Excel row limit (TotalRows = 1,048,576). A specially crafted XLSX file can trigger two denial-of-service variants: (A) an out-of-memory process kill when r=2147483647 forces a ~16 GB allocation attempt, and (B) a runtime panic via out-of-bounds slice indexing when r=-1. Any service that opens attacker-supplied XLSX files and calls GetCellValue is affected. No authentication is required. This issue is fixed in version 2.11.0.