Integer overflow in GNOME Gimp

CVE-2026-79902

A flaw was found in the Seattle FilmWorks plugin in GIMP. When processing a specially crafted SFW image file, the plugin allocates a Variable-Length Array (VLA) on the stack without integer overflow checks, causing an unbounded stack allocation. This issue leads to an application crash, resulting in a denial of service.

Vulnerability class: Integer Overflow

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-79902?
CVE-2026-79902 is a medium-severity vulnerability in GNOME Gimp, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2026-08-26.
How severe is CVE-2026-79902?
Medium severity. CVSS v3 base score is 5.5 out of 10.