CVE-2026-97222 PUBLISHED

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

Assigner: fedora
Reserved: 24.09.2026 Published: 25.09.2026 Updated: 25.09.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS Score: 5.5

Product Status

Vendor GNOME
Product Gnumeric
Versions Default: unaffected
  • affected from 1.11.0 to * (excl.)
  • Version bc1dee29525933994181fb2307d6ad584de6040d is unaffected

Workarounds

Do not open Gnumeric workbook files from untrusted sources. No application-level mitigation that preserves processing of untrusted workbooks is known.

Credits

  • Upstream acknowledges Juha Kylmänen as the original reporter.

References

Problem Types

  • Use After Free CWE