What is CVE-2026-46604?

CVE-2026-46604 is a high-severity vulnerability in Golang Tiff, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2026-06-26.

How severe is CVE-2026-46604?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Golang Tiff

CVE-2026-46604

The TIFF decoder can panic when decoding an invalid image with an out-of-bounds strip offset.

Vulnerability class: Buffer Overflow

Published 2026-06-26 · last modified 2026-07-01.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.003

Affected products

Golang Tiff
Golang.org/x/image Golang.org/x/image/tiff — versions 0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

go.dev/cl/788421 (Patch)
go.dev/issue/80122 (Vendor Advisory)
pkg.go.dev/vuln/GO-2026-5066 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-46604?: CVE-2026-46604 is a high-severity vulnerability in Golang Tiff, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2026-06-26.
How severe is CVE-2026-46604?: High severity. CVSS v3 base score is 7.5 out of 10.