CVE-2026-33809

MEDIUM

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

Title source: cna

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.

References (3)

https://go.dev/cl/757660

https://go.dev/issue/78267

https://pkg.go.dev/vuln/GO-2026-4815

Scores

CVSS v3 5.3

EPSS 0.0001

EPSS Percentile 1.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-434

Status published

Products (3)

golang/tiff < 0.38.0

golang.org/x/image/golang.org/x/image/tiff < 0.38.0

x/image 0 - 0.38.0Go

Published Mar 25, 2026

Tracked Since Mar 26, 2026