Vulnerability · Published Sep 25, 2026 · Assigned by fedora
CVE-2026-97222Gnumeric: gnumeric: heap use-after-free when opening a malformed workbook
Medium 5.5
In plain English
A medium-severity use-after-free in Gnumeric from GNOME. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 98.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | gnumeric | no fix listed | DEBIAN-CVE-2026-97222 |
| Debian:13 | gnumeric | no fix listed | DEBIAN-CVE-2026-97222 |
| Debian:14 | gnumeric | no fix listed | DEBIAN-CVE-2026-97222 |
| Ubuntu:22.04:LTS | gnumeric | no fix listed | UBUNTU-CVE-2026-97222 |
| Ubuntu:24.04:LTS | gnumeric | no fix listed | UBUNTU-CVE-2026-97222 |
| Ubuntu:26.04:LTS | gnumeric | no fix listed | UBUNTU-CVE-2026-97222 |
| Ubuntu:26.10 | gnumeric | no fix listed | UBUNTU-CVE-2026-97222 |
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
- https://access.redhat.com/security/cve/CVE-2026-97222 vdb-entry, x_refsource_REDHAT
- RHBZ#2541397 issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/gnumeric/-/issues/897