{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107224", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-07T14:34:14.816Z", "datePublished": "2026-10-07T18:53:27.282Z", "dateUpdated": "2026-10-07T19:30:13.733Z"}, "containers": {"cna": {"title": "Excelize: A Zip64 uncompressed-size of 2^63 panics OpenFile/OpenReader", "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "lang": "en", "description": "CWE-190: Integer Overflow or Wraparound", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-681", "lang": "en", "description": "CWE-681: Incorrect Conversion between Numeric Types", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/qax-os/excelize/security/advisories/GHSA-fw94-4wwp-w8pw", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/qax-os/excelize/security/advisories/GHSA-fw94-4wwp-w8pw"}, {"name": "https://github.com/qax-os/excelize/pull/2369", "tags": ["x_refsource_MISC"], "url": "https://github.com/qax-os/excelize/pull/2369"}, {"name": "https://github.com/qax-os/excelize/commit/db93f8d89de71589069a54d1b998af02e3c5f7cd", "tags": ["x_refsource_MISC"], "url": "https://github.com/qax-os/excelize/commit/db93f8d89de71589069a54d1b998af02e3c5f7cd"}], "affected": [{"vendor": "qax-os", "product": "excelize", "versions": [{"version": ">= 2.1.0, <= 2.11.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-07T18:53:27.282Z"}, "descriptions": [{"lang": "en", "value": "Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.1.0 to 2.11.0, a Zip64 uncompressed size with the high bit set is converted from uint64 to a negative int64 before signed size-limit checks and allocation. ReadZipReader obtains UncompressedSize64 through FileInfo.Size and passes the wrapped negative value to readFile. When a crafted Zip64 entry declares an uncompressed size from 2^63 through 2^64-1 and the workbook is opened, the negative size bypasses unzip limits and reaches make as a negative capacity, allowing an attacker to panic during workbook opening. No fixed version is available as of this review."}], "source": {"advisory": "GHSA-fw94-4wwp-w8pw", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/qax-os/excelize/security/advisories/GHSA-fw94-4wwp-w8pw", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-07T19:29:38.692124Z", "id": "CVE-2026-107224", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T19:30:13.733Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-107224", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-07T19:29:38.692124Z"}}}], "references": [{"url": "https://github.com/qax-os/excelize/security/advisories/GHSA-fw94-4wwp-w8pw", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T19:30:07.190Z"}}], "cna": {"title": "Excelize: A Zip64 uncompressed-size of 2^63 panics OpenFile/OpenReader", "source": {"advisory": "GHSA-fw94-4wwp-w8pw", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "qax-os", "product": "excelize", "versions": [{"status": "affected", "version": ">= 2.1.0, <= 2.11.0"}]}], "references": [{"url": "https://github.com/qax-os/excelize/security/advisories/GHSA-fw94-4wwp-w8pw", "name": "https://github.com/qax-os/excelize/security/advisories/GHSA-fw94-4wwp-w8pw", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/qax-os/excelize/pull/2369", "name": "https://github.com/qax-os/excelize/pull/2369", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/qax-os/excelize/commit/db93f8d89de71589069a54d1b998af02e3c5f7cd", "name": "https://github.com/qax-os/excelize/commit/db93f8d89de71589069a54d1b998af02e3c5f7cd", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.1.0 to 2.11.0, a Zip64 uncompressed size with the high bit set is converted from uint64 to a negative int64 before signed size-limit checks and allocation. ReadZipReader obtains UncompressedSize64 through FileInfo.Size and passes the wrapped negative value to readFile. When a crafted Zip64 entry declares an uncompressed size from 2^63 through 2^64-1 and the workbook is opened, the negative size bypasses unzip limits and reaches make as a negative capacity, allowing an attacker to panic during workbook opening. No fixed version is available as of this review."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-190", "description": "CWE-190: Integer Overflow or Wraparound"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-681", "description": "CWE-681: Incorrect Conversion between Numeric Types"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-07T18:53:27.282Z"}}}, "cveMetadata": {"cveId": "CVE-2026-107224", "state": "PUBLISHED", "dateUpdated": "2026-10-07T19:30:13.733Z", "dateReserved": "2026-10-07T14:34:14.816Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-07T18:53:27.282Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.1.0,2.11.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "excelize", "source": "cna", "vendor": "qax-os"}, "product": "excelize", "vendor": "qax-os"}], "created": "2026-10-07T20:30:13.187837+00:00", "updated": "2026-10-07T20:45:07.795181+00:00", "vendors": ["qax-os", "qax-os$PRODUCT$excelize"], "weaknesses": ["CWE-190", "CWE-681"]}