Panic when decoding large WEBP image on 32-bit platforms in golang.org/x/image

ALTO 7.5CVE-2026-33813 · GO-2026-4961 · Published 21/04/2026 · updated 26/10/2026

En resumen

CVE-2026-33813 es una vulnerabilidad ALTO (CVSS 7.5) que afecta a golang.org/x/image, image (golang).
Probabilidad de explotación en los próximos 30 días (EPSS): 0.34%, mayor que el 27.6% de las vulnerabilidades.
Solución: actualizar a 0.42.0, 0.39.0 o posterior.

Package	Affected versions	Patched versions
golang.org/x/image Go	`< 0.42.0`	`0.42.0`
image golang	`< 0.39.0`	`0.39.0`

Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.

NVD description

Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.

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Package

Affected versions

Patched versions

< 0.42.0

0.42.0

< 0.39.0

0.39.0

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