CVE-2026-46599
Excessive resource consumption in PackBits decompression in golang.org/x/image/tiff
7.5
HIGH
CVSS 3.1
EPSS 0.06%
Description
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 amounts of compressed data.
How to fix CVE-2026-46599
To remediate CVE-2026-46599, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 0.41.0 or later
Is CVE-2026-46599 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- from 0, < 0.41.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |