CVE-2026-46601

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

High · published June 25, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
48.5
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00609 · 48.5th percentile
Published
2026-06-25T19:47Z
EPSS history
Timeline
  • 25 JUN 19:47Z
    Panic on VP8 alpha channel size mismatch in x/image/webp in golang.org/x/image
    cvelistv5