CVE-2026-33809

MEDIUM 5.3

OOM from malicious IFD offset in golang.org/x/image/tiff

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

11th

A maliciously crafted TIFF file can cause image decoding to attempt to allocate up 4GiB of memory, causing either excessive resource consumption or an out-of-memory error.

Vendor	golang.org/x/image
Product	golang.org/x/image/tiff
Published	Mar 25, 2026
Last Updated	Apr 6, 2026

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Affected Versions

golang.org/x/image / golang.org/x/image/tiff

0 < 0.38.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

go.dev: https://go.dev/cl/757660 go.dev: https://go.dev/issue/78267 pkg.go.dev: https://pkg.go.dev/vuln/GO-2026-4815

Credits

Andy Gill, ZephrSec Ltd