CVE-2026-42500
Medium
Description
Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.
SeverityMedium
CVSS5.3
Exploit probability—
ProductGolang.org/x/image
PublishedMay 29, 2026
First seenMay 29, 2026
Weakness typeCWE-129CWE-129
How to fix
Update
- golang.org/x/image0.41.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| golang.org/x/imageGo | v < 0.41.0 | 0.41.0 |
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