CVE-2026-39830

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.
Configurations

Configuration 1 (hide)

cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*

History

02 Jun 2026, 16:33

Type Values Removed Values Added
CWE CWE-119
References () https://go.dev/cl/781640 - () https://go.dev/cl/781640 - Issue Tracking
References () https://go.dev/cl/781664 - () https://go.dev/cl/781664 - Issue Tracking
References () https://go.dev/issue/79564 - () https://go.dev/issue/79564 - Issue Tracking
References () https://groups.google.com/g/golang-announce/c/a082jnz-LvI - () https://groups.google.com/g/golang-announce/c/a082jnz-LvI - Mailing List
References () https://pkg.go.dev/vuln/GO-2026-5017 - () https://pkg.go.dev/vuln/GO-2026-5017 - Vendor Advisory
First Time Golang crypto
Golang
CPE cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*

22 May 2026, 19:17

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 9.1

22 May 2026, 04:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-22 04:16

Updated : 2026-06-02 16:33


NVD link : CVE-2026-39830

Mitre link : CVE-2026-39830

CVE.ORG link : CVE-2026-39830


JSON object : View

Products Affected

golang

  • crypto
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer