CVE-2026-39836

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

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-26)

CWE

CWE-476

Published

2026-05-07

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• golang:go

Packages (OSV)

References

• https://go.dev/cl/775320
• https://go.dev/issue/79006
• https://groups.google.com/g/golang-announce/c/qcCIEXso47M
• https://pkg.go.dev/vuln/GO-2026-4971

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