CVE-2026-33809

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

State: Published
Severity: 5.3 Medium
Published: Mar 25, 2026
Updated: Apr 6, 2026
Reserved: Mar 23, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
golang.org/x/image/tiffgolang.org/x/image	before 0.38.0Affected

References

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

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