A heap use-after-free flaw was found in Gnumeric. When a user opens a crafted Gnumeric workbook containing a malformed SheetObjectComponent element, the XML parser can dereference a freed sheet-object component, causing Gnumeric to crash.

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Fixes

Solution

No solution given by the vendor.


Workaround

Do not open Gnumeric workbook files from untrusted sources. No application-level mitigation that preserves processing of untrusted workbooks is known.

History

Fri, 25 Sep 2026 14:00:00 +0000

Type Values Removed Values Added
Description A heap use-after-free flaw was found in Gnumeric. When a user opens a crafted Gnumeric workbook containing a malformed SheetObjectComponent element, the XML parser can dereference a freed sheet-object component, causing Gnumeric to crash.
Title Gnumeric: gnumeric: heap use-after-free when opening a malformed workbook
Weaknesses CWE-416
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: fedora

Published:

Updated: 2026-09-25T13:51:57.828Z

Reserved: 2026-09-24T09:30:07.087Z

Link: CVE-2026-97222

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-25T14:17:25.580

Modified: 2026-09-25T14:17:25.580

Link: CVE-2026-97222

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses