Answer in brief
CVE-2026-42500 records a Unknown severity vulnerability in Panic when reading out of bound palette index in golang.org/x/image/bmp. The current sources do not mark it as known exploited. The current feed maps 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.
A CVSS score is not reported in the current record. 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). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| golang.org/x/imagego | >=0 <0.41.0 | 0.41.0 |
Published upstream
May 29, 2026
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 22, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Aug 7, 2026
Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.
Quoted source text, attributed separately from HOL analysis.