What is CVE-2026-46599?

CVE-2026-46599 is a high-severity vulnerability in Golang.org/x/image Golang.org/x/image/tiff, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-05-29.

How severe is CVE-2026-46599?

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

Resource exhaustion in Golang.org/x/image Golang.org/x/image/tiff

CVE-2026-46599

The TIFF decoder does not place a limit on the size of PackBits-compressed data. A maliciously-crafted image can exploit this to cause a small image (both in terms of pixel width/height and encoded size) to make the decoder decode large am…

EPSS: 0.001 (17.4th 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

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

Frequently asked questions

What is CVE-2026-46599?: CVE-2026-46599 is a high-severity vulnerability in Golang.org/x/image Golang.org/x/image/tiff, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-05-29.
How severe is CVE-2026-46599?: High severity. CVSS v3 base score is 7.5 out of 10.