CVE-2026-39836 PUBLISHED

Panic in Dial and LookupPort when handling NUL byte on Windows in net

Assigner: Go
Reserved: 07.04.2026 Published: 07.05.2026 Updated: 07.05.2026

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

Product Status

Vendor Go standard library
Product net
Versions Default: unaffected
  • affected from 0 to 1.25.10 (excl.)
  • affected from 1.26.0-0 to 1.26.3 (excl.)

References

Problem Types

  • CWE-248: Uncaught Exception