Answer in brief
CVE-2026-46599 records a High severity (CVSS 7.5) vulnerability in golang.org/x/image/tiff has excessive resource consumption in PackBits decompression. The current sources do not mark it as known exploited. The current feed maps golang.org/x/image (go), golang.org/x/image (go). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps golang.org/x/image (go), golang.org/x/image (go). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| golang.org/x/imagego | <0.41.0 | 0.41.0 |
| golang.org/x/imagego | >=0 <0.41.0 | 0.41.0 |
Published upstream
Jul 2, 2026
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Jul 2, 2026
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.
Quoted source text, attributed separately from HOL analysis.