CVE-2026-33813

HIGH

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

Title source: cna
STIX 2.1

Description

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

Scores

CVSS v3 7.5
EPSS 0.0007
EPSS Percentile 21.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

Status published
Products (2)
golang/image < 0.39.0
golang.org/x/image/golang.org/x/image/webp < 0.39.0
Published Apr 21, 2026
Tracked Since Apr 22, 2026