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.

  • Published Sep 25, 2026
  • CVSS 5.5 medium
  • 0.1% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-97222 at the National Vulnerability Database