CVE-2026-79902: GIMP Seattle FilmWorks plugin stack-based buffer overflow

CVE-2026-79902 · Severity: medium · CVSS 5.5 · Published 2026-08-26

GIMP is a widely-used open-source image editor, and its Seattle FilmWorks plugin processes SFW image files. A flaw in this plugin allows a specially crafted SFW file to cause the application to crash, disrupting users' work and potentially making GIMP unavailable.

Technologies: Gimp. Vendors: Gimp.

Quick answers

Is CVE-2026-79902 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-79902 being exploited in the wild.
How severe is CVE-2026-79902?
Medium severity, with a CVSS score of 5.5, published 26 August 2026.
Which products and versions are affected?
GNOME GIMP <UNKNOWN>.
Is there a fix for CVE-2026-79902?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-79902 attacked?
It is attacked with local access, in a software library.
Am I affected by CVE-2026-79902?
Check whether you run Gimp. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is a stack-based buffer overflow caused by unbounded allocation of a Variable-Length Array (VLA) without integer overflow checks in the Seattle FilmWorks plugin. When a specially crafted SFW image file is processed, the lack of validation allows the plugin to allocate an excessive amount of stack memory, triggering a denial of service through application crash. The attack vector is local and requires the attacker to supply a malicious image file that the user must open in GIMP. No patch availability information is provided in the advisory.

Affected products

  • GNOME GIMP <UNKNOWN>

Timeline

  • 2026-08-26: disclosed

References

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