CVE-2026-97222

Gnumeric: gnumeric: heap use-after-free when opening a malformed workbook

Published Sep 25, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

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

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Gnome
Gnome gnumeric
Vendors & Products Gnome
Gnome gnumeric
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
fedora
Published
Updated
Sep 25, 2026, 4:14 PM
Reserved
Sep 24, 2026, 9:30 AM
Status
Awaiting Analysis
Published
Sep 25, 2026, 2:17 PM
Modified
Sep 30, 2026, 7:38 PM