{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107225", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-07T14:34:14.816Z", "datePublished": "2026-10-07T18:55:55.603Z", "dateUpdated": "2026-10-07T18:55:55.603Z"}, "containers": {"cna": {"title": "Excelize: GetStyle panics on a negative fillId, borderId or fontId in styles.xml", "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "lang": "en", "description": "CWE-20: Improper Input Validation", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-129", "lang": "en", "description": "CWE-129: Improper Validation of Array Index", "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-5h23-36rv-pm65", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/qax-os/excelize/security/advisories/GHSA-5h23-36rv-pm65"}, {"name": "https://github.com/qax-os/excelize/pull/2367", "tags": ["x_refsource_MISC"], "url": "https://github.com/qax-os/excelize/pull/2367"}, {"name": "https://github.com/qax-os/excelize/commit/ae2113b410e51f6a141c396a59eda8c42b91bc22", "tags": ["x_refsource_MISC"], "url": "https://github.com/qax-os/excelize/commit/ae2113b410e51f6a141c396a59eda8c42b91bc22"}], "affected": [{"vendor": "qax-os", "product": "excelize", "versions": [{"version": ">= 2.8.0, <= 2.11.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-07T18:55:55.603Z"}, "descriptions": [{"lang": "en", "value": "Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.8.0 to 2.11.0, GetStyle's fill, border, and font extraction predicates check only upper bounds for attacker-controlled style-table indices. File.GetStyle relies on extractStyleCondFuncs predicates that allow negative FillID, BorderID, and FontID values to reach slice indexing. When a crafted styles.xml supplies a negative fillId, borderId, or fontId and the application reads the style, a negative identifier passes the upper-bound-only predicate and becomes a negative slice index, allowing an attacker to panic while reading cell styling. No fixed version is available as of this review."}], "source": {"advisory": "GHSA-5h23-36rv-pm65", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "excelize", "vendor": "qax-os", "versions": [{"status": "affected", "version": ">= 2.8.0, <= 2.11.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.8.0 to 2.11.0, GetStyle's fill, border, and font extraction predicates check only upper bounds for attacker-controlled style-table indices. File.GetStyle relies on extractStyleCondFuncs predicates that allow negative FillID, BorderID, and FontID values to reach slice indexing. When a crafted styles.xml supplies a negative fillId, borderId, or fontId and the application reads the style, a negative identifier passes the upper-bound-only predicate and becomes a negative slice index, allowing an attacker to panic while reading cell styling. No fixed version is available as of this review."}], "id": "CVE-2026-107225", "lastModified": "2026-10-07T19:17:35.333", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-07T19:17:35.333", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/qax-os/excelize/commit/ae2113b410e51f6a141c396a59eda8c42b91bc22"}, {"source": "security-advisories@github.com", "url": "https://github.com/qax-os/excelize/pull/2367"}, {"source": "security-advisories@github.com", "url": "https://github.com/qax-os/excelize/security/advisories/GHSA-5h23-36rv-pm65"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-129"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-10-07T20:30:13.187641+00:00", "updated": "2026-10-07T20:30:13.187646+00:00", "vendors": []}