CVE-2026-46603

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

State: Published
Severity: 7.5 High
Published: Aug 14, 2026
Updated: Aug 14, 2026
Reserved: May 15, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-789 Memory Allocation with Excessive Size Value

Affected Products

Product	Versions
golang.org/x/image/vp8lgolang.org/x/image	before 0.45.0Affected

References

https://go.dev/issue/80069
https://go.dev/cl/793460
https://pkg.go.dev/vuln/GO-2026-6222

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