CVE-2026-46603CWE-789

CVE-2026-46603

High · published August 14, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
34.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00412 · 34.4th percentile
Weakness
CWE-789 · Memory Allocation with Excessive Size Value
Published
2026-08-14T21:18Z
References (3)
https://go.dev/cl/793460 · [email protected]https://go.dev/issue/80069 · [email protected]https://pkg.go.dev/vuln/GO-2026-6222 · [email protected]
EPSS history
Timeline
  • 14 AUG 16:38Z
    Excessive memory allocation during VP8L decoding in golang.org/x/image
    cvelistv5