CVE-2026-46597

HIGH

Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh

Title source: cna
STIX 2.1

Description

An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.

References (4)

Core 4

Scores

CVSS v3 7.5
EPSS 0.0047
EPSS Percentile 38.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-704
Status published
Products (3)
golang/crypto < 0.52.0
golang.org/x/crypto/golang.org/x/crypto/ssh < 0.52.0
x/crypto 0 - 0.52.0Go
Published May 22, 2026
Tracked Since May 22, 2026