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Vulnerability record · CVE-2026-90947 · published 14 September 2026

CVE-2026-90947: Out-of-bounds write vulnerability

A flaw was found in GIMP. When processing a specially crafted lighting preset file, the Lighting Effects filter does not properly validate the number of light sources. This can lead to an out-of-bounds write, corrupting memory. An attacker could exploit this by convincing a user to open a malicious preset file, potentially causing a crash or enabling arbitrary code execution.

7.8 CVSS 3.1 High EPSS 0.13% · top 97.7% CWE-787 · Out-of-bounds write Awaiting Analysis
7.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Sep 2026Last modified by NVD

Description

A flaw was found in GIMP. When processing a specially crafted lighting preset file, the Lighting Effects filter does not properly validate the number of light sources. This can lead to an out-of-bounds write, corrupting memory. An attacker could exploit this by convincing a user to open a malicious preset file, potentially causing a crash or enabling arbitrary code execution.

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

References

LinkTags
https://access.redhat.com/security/cve/CVE-2026-90947
https://bugzilla.redhat.com/show_bug.cgi?id=2533005
https://gitlab.gnome.org/GNOME/gimp/-/work_items/16682

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Source: NIST National Vulnerability Database (record CVE-2026-90947), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.