GO-2026-5061

Panic on VP8 alpha channel size mismatch in x/image/webp in golang.org/x/image

At a glance

Published: 2026-06-18 22:46 UTC
Updated: 2026-06-26 13:44 UTC
CVE: CVE-2026-46601

Description

The webp decoder can panic when processing a VP8 chunk with dimensions that do not match the canvas size.

Affected packages

Package	Versions
Go · golang.org/x/image	introduced 0, fixed 0.43.0

References

https://go.dev/cl/787681 FIX
https://go.dev/issue/79869 REPORT

Sources

Source	Licence
OSV.dev	CC-BY 4.0 — Go Vulnerability Database