CVE-2026-42500
Panic when reading out of bound palette index in golang.org/x/image/bmp
5.3
MEDIUM
CVSS 3.1
EPSS 0.05%
Description
Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.
How to fix CVE-2026-42500
To remediate CVE-2026-42500, upgrade the affected package to a fixed version below.
- Debian/golang-golang-x-image—no fix listed
- —upgrade to 0.41.0 or later
Is CVE-2026-42500 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- from 0, < 0.41.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |