CVE-2026-33809

low-risk

Published 2026-03-25

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.

Do I need to act?

0.01% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Tiff

Affected Vendors

Golang

References (3)

Mailing List https://go.dev/cl/757660

Issue Tracking https://go.dev/issue/78267

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

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low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal