Answer in brief
CVE-2026-46601 records a High severity (CVSS 7.5) vulnerability in Panic on VP8 alpha channel size mismatch in x/image/webp in golang.org/x/image. The current sources do not mark it as known exploited. The current feed maps golang.org/x/image/golang.org/x/image/webp (generic). 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/golang.org/x/image/webp (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| golang.org/x/image/golang.org/x/image/webpgeneric | >=0 <0.43.0 | 0.43.0 |
Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
The webp decoder can panic when processing a VP8 chunk with dimensions that do not match the canvas size.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-46601 records a High severity (CVSS 7.5) vulnerability in Panic on VP8 alpha channel size mismatch in x/image/webp in golang.org/x/image. The current sources do not mark it as known exploited. The current feed maps golang.org/x/image/golang.org/x/image/webp (generic). 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/golang.org/x/image/webp (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| golang.org/x/image/golang.org/x/image/webpgeneric | >=0 <0.43.0 | 0.43.0 |
Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
The webp decoder can panic when processing a VP8 chunk with dimensions that do not match the canvas size.
Quoted source text, attributed separately from HOL analysis.