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TI-2026-63966 Aliases CVE-2026-97222GHSA-gx2p-wmmc-xm83

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

Priority LOW 24CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00117 1st percentileScored 2026-11-08
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GNOMEGnumeric1.11.0 and later—Patch availableCNA
  • Gnumeric VendorGNOME Affected 1.11.0 and later Fixed in — Patch available CNA

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-97222
  2. 2026-10-03 Alias added: GHSA-gx2p-wmmc-xm83

References

  • TI-2023-23091 Gnome-maps: gnome maps is vulnerable to a code injection attack (similar to xss) via its service.json CVSS 3.1CRITICAL 9.8
  • TI-2026-41775 Glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list" CVSS 3.1HIGH 8.6
  • TI-2026-41772 Glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid gdatetime CVSS 3.1HIGH 7.5
  • TI-2026-03716 Libsoup: libsoup: denial of service via use-after-free in http/2 server CVSS 3.1HIGH 7.5
  • TI-2024-28393 Integer overflow in GNOME G Structured File Library CVSS 3.1HIGH 8.4
  • TI-2024-24253 Integer overflow in GNOME G Structured File Library CVSS 3.1HIGH 8.4
See all 402 →

Sources