Medium severity · published Sep 25, 2026
CVE-2026-97222
Gnumeric: gnumeric: heap use-after-free when opening a malformed workbook
5.5
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GN
Gnumeric · GNOME
1.11.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-97222
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-97222
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-97222
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2541397
gitlab.gnome.org
https://gitlab.gnome.org/GNOME/gnumeric/-/issues/897
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