Buffer overflow in Red Hat Enterprise Linux 6

CVE-2026-90947

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.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-90947?
CVE-2026-90947 is a high-severity vulnerability in Red Hat Enterprise Linux 6, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-09-14.
How severe is CVE-2026-90947?
High severity. CVSS v3 base score is 7.8 out of 10.