CVE-2026-39836

7.5 HIGH

Published: May 07, 2026 Modified: May 13, 2026

Description

The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL (0).

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

https://go.dev/cl/775320

Source: security@golang.org

Patch

https://go.dev/issue/79006

Source: security@golang.org

Issue Tracking

Source: security@golang.org

Issue Tracking Mailing List

Source: security@golang.org

Vendor Advisory

4 reference(s) from NVD

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.6%

43th percentile

Exploitation Status

Not in CISA KEV

CWE-476

golang