CVE-2026-46603

Excessive memory allocation during VP8L decoding in golang.org/x/image

Published Aug 14, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
VP8L decoding in golang.org/x/image/vp8l can allocate an excessive amount of memory when processing a crafted VP8L image containing many unused Huffman tree groups. This allows a remote attacker to cause a denial of service via memory exhaustion.

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
First Time appeared Golang
Golang image
Vendors & Products Golang
Golang image
Type Values Removed Values Added
Weaknesses CWE-400
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
Weaknesses CWE-400
CWE-789
Type Values Removed Values Added
Description VP8L decoding in golang.org/x/image/vp8l can allocate an excessive amount of memory when processing a crafted VP8L image containing many unused Huffman tree groups. This allows a remote attacker to cause a denial of service via memory exhaustion.
Title Excessive memory allocation during VP8L decoding in golang.org/x/image
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Go
Published
Updated
Aug 14, 2026, 7:36 PM
Reserved
May 15, 2026, 5:35 PM
Status
Awaiting Analysis
Published
Aug 14, 2026, 5:18 PM
Modified
Sep 3, 2026, 4:37 PM