Excessive resource consumption in PackBits decompression in golang.org/x/image/tiff
Summary
| CVE | CVE-2026-46599 |
|---|---|
| State | PUBLISHED |
| Assigner | Go |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-29 20:16:28 UTC |
| Updated | 2026-05-29 20:16:28 UTC |
| 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. |
Risk And Classification
EPSS: 0.000180000 probability, percentile 0.049330000 (date 2026-05-30)
Problem Types: CWE-770: Allocation of Resources Without Limits or Throttling
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Golang.orgximage | Golang.org/x/image/tiff | affected 0.41.0 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| go.dev/cl/759960 | [email protected] | go.dev | |
| go.dev/issue/79577 | [email protected] | go.dev | |
| pkg.go.dev/vuln/GO-2026-5032 | [email protected] | pkg.go.dev | |
| groups.google.com/g/golang-announce/c/uhYX90BlBvI | [email protected] | groups.google.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Uuganbayar Lkhamsuren (en)
There are currently no legacy QID mappings associated with this CVE.