CVE-2026-46597
Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh
7.5
HIGH
CVSS 3.1
EPSS 0.36%
Description
An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.
How to fix CVE-2026-46597
To remediate CVE-2026-46597, upgrade the affected package to a fixed version below.
- Go/golang.org/x/crypto—upgrade to 0.52.0 or later
Is CVE-2026-46597 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.52.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |