SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-42500

Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.

MEDIUM 5.3EPSS 0.38%

Does this matter?

Lower severity and a low EPSS score (0.38%). Track it; it rarely justifies an emergency change on its own.

Description

Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
0.38% probability · 32th percentile
CISA KEV
Not listed
Source
security@golang.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.