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CVE-2026-33813

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

Published: Apr 21, 2026Updated: May 13, 2026 Sources: CVE List NVDNVD-CWE-noinfo
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.3%
Top 76.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

NVD-CWE-noinfo

Affected Products

imagegolangOSS Libraries
golang.org/x/image/webpgolang.org/x/image
Library
OSS Libraries / go
golangoss-projectUSOSS Libraries
golang.org/x/imageoss-projectOSS Librariesaka x/image

Exploitability

Official Patch Available

References

https://go.dev/cl/759860
go.dev
https://go.dev/issue/78407
go.dev
https://pkg.go.dev/vuln/GO-2026-4961
pkg.go.dev

Timeline

Published
Apr 21, 2026
Last Updated
May 13, 2026

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