CVE-2026-112257
High
Description
A flaw was found in GIMP. The PSD thumbnail resource loader performs a BGR-to-RGB channel swap with a fixed 3-byte stride and does not verify that the JPEG thumbnail is RGB. A crafted grayscale PSD thumbnail can cause a heap out-of-bounds read and write in the plug-in process, leading to a crash and potentially arbitrary code execution when the victim browses or opens the file.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Enterprise Linux 9
PublishedOct 19, 2026
First seenOct 19, 2026
Weakness typeCWE-121CWE-121
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| enterprise_linux 9 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 10 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 7 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 8 | No range specified | — |
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