Description
A flaw was found in the file-pix (ESM) plugin in GIMP. When processing a specially crafted PIX image file, the plugin allocates a Variable-Length Array (VLA) on the stack without proper bounds checking, causing an unbounded stack allocation followed by a 21-byte stack over-read. This can result in a denial of service due to stack exhaustion and a limited information disclosure of stack memory contents into an intermediate file.
Affected products
gimp: gimp; redhat: enterprise linux
References3
- access.redhat.com/security/cve/CVE-2026-78475 Vendor Advisory
- bugzilla.redhat.com/show_bug.cgi?id=2522072 Issue TrackingVendor Advisory
- gitlab.gnome.org/GNOME/gimp/-/work_items/16580 Issue TrackingMitigationVendor Advisory
Metrics
- CVSS 3.1
-
6.1
MEDIUM
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H - EPSS — exploit probability
- 0% percentile: 18 · as of 9 November 2026
- CWE
- CWE-125
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.