CVE-2026-97222
Gnumeric: gnumeric: heap use-after-free when opening a malformed workbook
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Gnumeric: gnumeric: heap use-after-free when opening a malformed workbook
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.
- Record
CVE-2026-97222- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2026-87095
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.
- Record
EUVD-2026-87095- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gx2p-wmmc-xm83
A heap use-after-free flaw was found in Gnumeric. When a user opens a crafted Gnumeric workbook...
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.
- Record
GHSA-gx2p-wmmc-xm83- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-97222- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2026-97222- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2026-97222- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVMGASA-2026-0501 No score
Updated gnumeric package fixes a security vulnerability
Heap use-after-free when opening a malformed workbook. (CVE-2026-97222)
- Record
MGASA-2026-0501- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:11919-1 No score
gnumeric-1.12.62+8-1.1 on GA media
These are all security issues fixed in the gnumeric-1.12.62+8-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:11919-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gnumericDebian:12 |
All versions, plus listed versions 1.12.55-11.12.56-11.12.56-21.12.57-11.12.57-1.1 |
None known |
gnumericDebian:13 |
All versions, plus listed versions 1.12.57-1.1 |
None known |
gnumericDebian:14 |
All versions, plus listed versions 1.12.57-1.1 |
None known |
gnumericMageia:10 |
before 1.12.59-4.1.mga10 | 1.12.59-4.1.mga10 |
gnumericUbuntu:16.04:LTS |
All versions, plus listed versions 1.12.23-11.12.24-11.12.26-11.12.27-11.12.28-1 |
None known |
gnumericUbuntu:18.04:LTS |
All versions, plus listed versions 1.12.32-1build21.12.35-11.12.35-1.1 |
None known |
gnumericUbuntu:20.04:LTS |
All versions, plus listed versions 1.12.45-11.12.45-1build11.12.46-11.12.46-1ubuntu2 |
None known |
gnumericUbuntu:22.04:LTS |
All versions, plus listed versions 1.12.48-1build31.12.50-11.12.50-1build11.12.50-1build21.12.51-1 |
None known |
gnumericUbuntu:24.04:LTS |
All versions, plus listed versions 1.12.55-11.12.56-21.12.56-2build21.12.56-2build41.12.56-2build5 |
None known |
gnumericUbuntu:26.10 |
All versions, plus listed versions 1.12.57-1.1build31.12.57-1.1build4 |
None known |
gnumericUbuntu:26.04:LTS |
All versions, plus listed versions 1.12.57-1.1build21.12.57-1.1build3 |
None known |
gnumericopenSUSE:Tumbleweed |
before 1.12.62+8-1.1 | 1.12.62+8-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-97222 is a medium vulnerability (CVSS 5.5) in Gnome Gnumeric, published September 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. Fixed in gnumeric 1.12.59-4.1.mga10.