CVE-2026-46603

7.5 highEPSS 0.4%

High (7.5). EPSS 0.4% chance of exploitation in the next 30 days. Fixed in golang.org/x/image 0.45.0.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-31)
CWE: CWE-789
Published: 2026-08-14
Modified: 2026-09-03
Record from: the NVD, synced 2026-10-19

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GO-2026-6222	Go	golang.org/x/image	<0.45.0	0.45.0

References

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

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