Answer in brief
CVE-2026-33813 records a High severity (CVSS 7.5) vulnerability in Panic when decoding large WEBP image on 32-bit platforms 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 <0.42.0 | 0.42.0 |
Published upstream
Apr 21, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-33813 records a High severity (CVSS 7.5) vulnerability in Panic when decoding large WEBP image on 32-bit platforms 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 <0.42.0 | 0.42.0 |
Published upstream
Apr 21, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.
Quoted source text, attributed separately from HOL analysis.