CVE-2026-32283

Name: CVE-2026-32283
Creator: NVD / NIST
Published: 2026-04-08T02:16:03.58+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2026-32283 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.45%

35.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Golang	Go	< 1.25.9
Golang	Go	>= 1.26.0, < 1.26.2

References

https://go.dev/cl/763767Patch
https://go.dev/issue/78334Issue Tracking
https://groups.google.com/g/golang-announce/c/0uYbvbPZRWUMailing List, Release Notes
https://pkg.go.dev/vuln/GO-2026-4870Vendor Advisory

Timeline

Published: Apr 8, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-32283?

How severe is CVE-2026-32283?

CVE-2026-32283 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2026-32283?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-32283?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST