What is CVE-2026-46602?

CVE-2026-46602 is a high-severity vulnerability in Golang.org/x/image Golang.org/x/image/tiff, classified under CWE-789: MEMORY ALLOCATION WITH EXCESSIVE SIZE VALUE. CVSS score: 7.5/10. Published 2026-06-25.

How severe is CVE-2026-46602?

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

Vulnerability in Golang.org/x/image Golang.org/x/image/tiff

CVE-2026-46602

The TIFF decoder does not set a limit on the size of tiles in tiled images, permitting a malicious or corrupt image containing a very large tile to cause unbounded memory consumption.

EPSS: 0.003 (26.0th percentile) — read the EPSS interpretation.

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.

Affected products

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

References

security@golang.org
security@golang.org
security@golang.org

Frequently asked questions

What is CVE-2026-46602?: CVE-2026-46602 is a high-severity vulnerability in Golang.org/x/image Golang.org/x/image/tiff, classified under CWE-789: MEMORY ALLOCATION WITH EXCESSIVE SIZE VALUE. CVSS score: 7.5/10. Published 2026-06-25.
How severe is CVE-2026-46602?: High severity. CVSS v3 base score is 7.5 out of 10.