Detections
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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.

References

https://pkg.go.dev/vuln/GO-2026-5031

https://groups.google.com/g/golang-announce/c/uhYX90BlBvI

https://go.dev/issue/79576

https://go.dev/cl/781500

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-33419

Details

Source: Mitre, NVD

Published: 2026-05-29

Updated: 2026-07-22

Named Vulnerability: GO-2026-5031Named Vulnerability: GHSA-m6fh-wvw4-4629

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.3

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

Severity: Medium

EPSS

EPSS: 0.00524