Answer in brief
CVE-2026-46597 records a High severity vulnerability in Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh. The current sources do not mark it as known exploited. The current feed maps golang.org/x/crypto (go), golang.org/x/crypto (go), golang.org/x/crypto/ssh (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/crypto (go), golang.org/x/crypto (go), golang.org/x/crypto/ssh (go). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| golang.org/x/cryptogo | <0.52.0 | 0.52.0 |
| golang.org/x/cryptogo | >=0 <0.52.0 | 0.52.0 |
| golang.org/x/crypto/sshgo | <0.52.0 | 0.52.0 |
Published upstream
May 22, 2026
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 15, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.
Quoted source text, attributed separately from HOL analysis.