GitHub Advisoryadvisory · Go

GHSA-q4h4-gmj2-qvw2 golang.org/x/crypto: Invoking byte arithmetic causes underflow and panic

HIGH Published 2026-06-25 Modified 2026-07-07 Official page ↗

Aliases: CVE-2026-46597
Ecosystem: Go
Packages: golang.org/x/crypto
Severity: High
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses: CWE-704
Reviewed: 2026-06-25

Affected packages

• Go golang.org/x/crypto: < 0.52.0 → fixed in 0.52.0

Description

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

Related

Alias · CVE (1)

CVE-2026-46597 An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs. vulnerability

Weakness · CWE (1)

CWE-704 Incorrect Type Conversion or Cast weakness

References