CVE-2026-33813

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

Published Apr 21, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-680
Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:golang:image:*:*:*:*:*:go:*:*
Type Values Removed Values Added
First Time appeared Redhat
Redhat hummingbird
Weaknesses CWE-190
CPEs cpe:/a:redhat:hummingbird:1
Vendors & Products Redhat
Redhat hummingbird
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Golang
Golang image
Vendors & Products Golang
Golang image
Type Values Removed Values Added
Weaknesses CWE-680
Type Values Removed Values Added
Description Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.
Title Panic when decoding large WEBP image on 32-bit platforms in golang.org/x/image
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Go
Published
Updated
Jun 25, 2026, 7:47 PM
Reserved
Mar 23, 2026, 8:35 PM
Status
Modified
Published
Apr 21, 2026, 8:16 PM
Modified
Oct 26, 2026, 9:10 PM
Severity
Moderate
Public date
Apr 21, 2026, 7:21 PM