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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-46597

38
FAUCET Score

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

First published: May 22, 2026Last modified: May 22, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 0.52.0CPE matchmatch criteria
cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 17th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (25)

gopatch availablevia ghsa
Product: golang.org/x/cryptoFixed in: 0.52.0
microsoftpatch availablevia msrc
Product: 21418-17084Fixed in: 25.0.3-18
microsoftpatch availablevia msrc
Product: azl3 telegraf 1.31.0-19 on Azure Linux 3.0Fixed in: 1.31.0-21
microsoftpatch availablevia msrc
Product: azl3 cert-manager 1.12.15-6 on Azure Linux 3.0Fixed in: 1.12.15-8
microsoftpatch availablevia msrc
Product: azl3 cf-cli 8.7.11-5 on Azure Linux 3.0Fixed in: 8.7.11-6
microsoftpatch availablevia msrc
Product: azl3 docker-buildx 0.14.0-11 on Azure Linux 3.0Fixed in: 0.14.0-13
microsoftpatch availablevia msrc
Product: azl3 docker-compose 2.27.0-9 on Azure Linux 3.0Fixed in: 2.27.0-11
microsoftpatch availablevia msrc
Product: azl3 gh 2.62.0-15 on Azure Linux 3.0Fixed in: 2.62.0-16
microsoftpatch availablevia msrc
Product: azl3 kubernetes 1.30.10-23 on Azure Linux 3.0Fixed in: 1.30.10-25
microsoftpatch availablevia msrc
Product: azl3 kubernetes 1.30.10-25 on Azure Linux 3.0Fixed in: 1.30.10-25
microsoftpatch availablevia msrc
Product: azl3 kubevirt 1.7.1-2 on Azure Linux 3.0Fixed in: 1.7.1-5
microsoftpatch availablevia msrc
Product: azl3 moby-engine 25.0.3-17 on Azure Linux 3.0Fixed in: 25.0.3-18
microsoftpatch availablevia msrc
Product: azl3 moby-engine 25.0.3-18 on Azure Linux 3.0Fixed in: 25.0.3-18
microsoftpatch availablevia msrc
Product: azl3 packer 1.9.5-13 on Azure Linux 3.0Fixed in: 1.9.5-14
microsoftpatch availablevia msrc
Product: 20984-17084Fixed in: 1.12.15-8
microsoftpatch availablevia msrc
Product: 20985-17084Fixed in: 8.7.11-6
microsoftpatch availablevia msrc
Product: 21271-17084Fixed in: 0.14.0-13
microsoftpatch availablevia msrc
Product: 21272-17084Fixed in: 2.27.0-11
microsoftpatch availablevia msrc
Product: 21278-17084Fixed in: 2.62.0-16
microsoftpatch availablevia msrc
Product: 20966-17084Fixed in: 1.9.5-14
microsoftpatch availablevia msrc
Product: 21258-17084Fixed in: 1.31.0-21
microsoftpatch availablevia msrc
Product: 21256-17084Fixed in: 1.30.10-25
microsoftpatch availablevia msrc
Product: 21299-17084Fixed in: 1.7.1-5
microsoftpatch availablevia msrc
Product: 21378-17084Fixed in: 1.30.10-25
microsoftpatch availablevia msrc
Product: 21274-17084Fixed in: 25.0.3-18

Vendor Advisories (2)

goGHSA-q4h4-gmj2-qvw2high

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

Jun 25, 2026
microsoft2026-May/CVE-2026-46597Important

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

May 12, 2026

References

go.dev / cl/781620
Issue Tracking
go.dev / issue/79561
Issue Tracking
groups.google.com / g/golang-announce/c/a082jnz-LvI
Mailing List
pkg.go.dev / vuln/GO-2026-5013
Vendor Advisory