CVE-2026-32283

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:golang:go::::::::
	cpe:2.3:a:golang:go::::::::

History

16 Apr 2026, 19:12

Type	Values Removed	Values Added
CPE		cpe:2.3:a:golang:go::::::::
First Time		Golang go Golang
CWE		CWE-770
References	~~() https://go.dev/cl/763767 -~~	() https://go.dev/cl/763767 - Patch
References	~~() https://go.dev/issue/78334 -~~	() https://go.dev/issue/78334 - Issue Tracking
References	~~() https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU -~~	() https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU - Release Notes, Mailing List
References	~~() https://pkg.go.dev/vuln/GO-2026-4870 -~~	() https://pkg.go.dev/vuln/GO-2026-4870 - Vendor Advisory

13 Apr 2026, 19:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5

08 Apr 2026, 02:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-08 02:16

Updated : 2026-04-16 19:12

NVD link : CVE-2026-32283

Mitre link : CVE-2026-32283

CVE.ORG link : CVE-2026-32283

JSON object : View

Products Affected

golang

go

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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