Panic when reading out of bound palette index in golang.org/x/image/bmp

MEDIO 5.3CVE-2026-42500 · GO-2026-5031 · Published 29/05/2026 · updated 22/07/2026

En resumen

CVE-2026-42500 es una vulnerabilidad MEDIO (CVSS 5.3) que afecta a golang.org/x/image.
Probabilidad de explotación en los próximos 30 días (EPSS): 0.38%, mayor que el 32.5% de las vulnerabilidades.
Solución: actualizar a 0.41.0 o posterior.

Package	Affected versions	Patched versions
golang.org/x/image Go	`< 0.41.0`	`0.41.0`

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

NVD description

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

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Package

Affected versions

Patched versions

< 0.41.0

0.41.0

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