What is CVE-2026-97222?

CVE-2026-97222 is a medium-severity vulnerability in GNOME Gnumeric, classified under Use After Free. CVSS score: 5.5/10. Published 2026-09-25.

How severe is CVE-2026-97222?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Use After Free in GNOME Gnumeric

CVE-2026-97222

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.

Vulnerability class: Use-After-Free

Published 2026-09-25 · last modified 2026-09-25.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

GNOME Gnumeric

Weakness classification (CWE)

CWE-416 — Use After Free

References

access.redhat.com/security/cve/CVE-2026-97222 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)
gitlab.gnome.org/GNOME/gnumeric/-/issues/897

Frequently asked questions

What is CVE-2026-97222?: CVE-2026-97222 is a medium-severity vulnerability in GNOME Gnumeric, classified under Use After Free. CVSS score: 5.5/10. Published 2026-09-25.
How severe is CVE-2026-97222?: Medium severity. CVSS v3 base score is 5.5 out of 10.