CVE-2026-33812

MEDIUM 6.1

Excessive memory allocation when decoding malicious SFNT in golang.org/x/image

CVSS Score

6.1

EPSS Score

0.0%

EPSS Percentile

0th

Parsing a malicious font file can cause excessive memory allocation.

Vendor	golang.org/x/image
Product	golang.org/x/image/font/sfnt
Published	Apr 21, 2026
Last Updated	Apr 21, 2026

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Affected Versions

golang.org/x/image / golang.org/x/image/font/sfnt

0 < 0.39.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

go.dev: https://go.dev/cl/761180 go.dev: https://go.dev/issue/78382 pkg.go.dev: https://pkg.go.dev/vuln/GO-2026-4962

Credits

Andy Gill, ZephrSec Ltd