CVE-2026-54063
- Source
- https://cve.org/CVERecord?id=CVE-2026-54063
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-54063.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-54063
- Aliases
- Published
- 2026-07-10T15:53:31.020Z
- Modified
- 2026-07-18T03:47:37.679024277Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- Excelize: Unbounded Row Index Allocation in Worksheet Parser (checkSheet OOM/Panic DoS)
- Details
-
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.
- Database specific
{ "cwe_ids": [ "CWE-770" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54063.json", "cna_assigner": "GitHub_M" }- References
Affected packages
Git / github.com/qax-os/excelize
Affected ranges
- Type
- GIT
- Repo
- https://github.com/qax-os/excelize
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
- Database specific
{ "cpe": "cpe:2.3:a:excelize:excelize:*:*:*:*:*:go:*:*", "extracted_events": [ { "introduced": "0" }, { "fixed": "2.11.0" } ], "source": [ "AFFECTED_FIELD", "CPE_RANGE", "REFERENCES" ] }